root/drivers/net/ethernet/emulex/benet/be_cmds.c
// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright (C) 2005 - 2016 Broadcom
 * All rights reserved.
 *
 * Contact Information:
 * linux-drivers@emulex.com
 *
 * Emulex
 * 3333 Susan Street
 * Costa Mesa, CA 92626
 */

#include <linux/module.h>
#include "be.h"
#include "be_cmds.h"

const char * const be_misconfig_evt_port_state[] = {
        "Physical Link is functional",
        "Optics faulted/incorrectly installed/not installed - Reseat optics. If issue not resolved, replace.",
        "Optics of two types installed – Remove one optic or install matching pair of optics.",
        "Incompatible optics – Replace with compatible optics for card to function.",
        "Unqualified optics – Replace with Avago optics for Warranty and Technical Support.",
        "Uncertified optics – Replace with Avago-certified optics to enable link operation."
};

static char *be_port_misconfig_evt_severity[] = {
        "KERN_WARN",
        "KERN_INFO",
        "KERN_ERR",
        "KERN_WARN"
};

static char *phy_state_oper_desc[] = {
        "Link is non-operational",
        "Link is operational",
        ""
};

static struct be_cmd_priv_map cmd_priv_map[] = {
        {
                OPCODE_ETH_ACPI_WOL_MAGIC_CONFIG,
                CMD_SUBSYSTEM_ETH,
                BE_PRIV_LNKMGMT | BE_PRIV_VHADM |
                BE_PRIV_DEVCFG | BE_PRIV_DEVSEC
        },
        {
                OPCODE_COMMON_GET_FLOW_CONTROL,
                CMD_SUBSYSTEM_COMMON,
                BE_PRIV_LNKQUERY | BE_PRIV_VHADM |
                BE_PRIV_DEVCFG | BE_PRIV_DEVSEC
        },
        {
                OPCODE_COMMON_SET_FLOW_CONTROL,
                CMD_SUBSYSTEM_COMMON,
                BE_PRIV_LNKMGMT | BE_PRIV_VHADM |
                BE_PRIV_DEVCFG | BE_PRIV_DEVSEC
        },
        {
                OPCODE_ETH_GET_PPORT_STATS,
                CMD_SUBSYSTEM_ETH,
                BE_PRIV_LNKMGMT | BE_PRIV_VHADM |
                BE_PRIV_DEVCFG | BE_PRIV_DEVSEC
        },
        {
                OPCODE_COMMON_GET_PHY_DETAILS,
                CMD_SUBSYSTEM_COMMON,
                BE_PRIV_LNKMGMT | BE_PRIV_VHADM |
                BE_PRIV_DEVCFG | BE_PRIV_DEVSEC
        },
        {
                OPCODE_LOWLEVEL_HOST_DDR_DMA,
                CMD_SUBSYSTEM_LOWLEVEL,
                BE_PRIV_DEVCFG | BE_PRIV_DEVSEC
        },
        {
                OPCODE_LOWLEVEL_LOOPBACK_TEST,
                CMD_SUBSYSTEM_LOWLEVEL,
                BE_PRIV_DEVCFG | BE_PRIV_DEVSEC
        },
        {
                OPCODE_LOWLEVEL_SET_LOOPBACK_MODE,
                CMD_SUBSYSTEM_LOWLEVEL,
                BE_PRIV_DEVCFG | BE_PRIV_DEVSEC
        },
        {
                OPCODE_COMMON_SET_HSW_CONFIG,
                CMD_SUBSYSTEM_COMMON,
                BE_PRIV_DEVCFG | BE_PRIV_VHADM |
                BE_PRIV_DEVSEC
        },
        {
                OPCODE_COMMON_GET_EXT_FAT_CAPABILITIES,
                CMD_SUBSYSTEM_COMMON,
                BE_PRIV_DEVCFG
        }
};

static bool be_cmd_allowed(struct be_adapter *adapter, u8 opcode, u8 subsystem)
{
        int i;
        int num_entries = ARRAY_SIZE(cmd_priv_map);
        u32 cmd_privileges = adapter->cmd_privileges;

        for (i = 0; i < num_entries; i++)
                if (opcode == cmd_priv_map[i].opcode &&
                    subsystem == cmd_priv_map[i].subsystem)
                        if (!(cmd_privileges & cmd_priv_map[i].priv_mask))
                                return false;

        return true;
}

static inline void *embedded_payload(struct be_mcc_wrb *wrb)
{
        return wrb->payload.embedded_payload;
}

static int be_mcc_notify(struct be_adapter *adapter)
{
        struct be_queue_info *mccq = &adapter->mcc_obj.q;
        u32 val = 0;

        if (be_check_error(adapter, BE_ERROR_ANY))
                return -EIO;

        val |= mccq->id & DB_MCCQ_RING_ID_MASK;
        val |= 1 << DB_MCCQ_NUM_POSTED_SHIFT;

        wmb();
        iowrite32(val, adapter->db + DB_MCCQ_OFFSET);

        return 0;
}

/* To check if valid bit is set, check the entire word as we don't know
 * the endianness of the data (old entry is host endian while a new entry is
 * little endian)
 */
static inline bool be_mcc_compl_is_new(struct be_mcc_compl *compl)
{
        u32 flags;

        if (compl->flags != 0) {
                flags = le32_to_cpu(compl->flags);
                if (flags & CQE_FLAGS_VALID_MASK) {
                        compl->flags = flags;
                        return true;
                }
        }
        return false;
}

/* Need to reset the entire word that houses the valid bit */
static inline void be_mcc_compl_use(struct be_mcc_compl *compl)
{
        compl->flags = 0;
}

static struct be_cmd_resp_hdr *be_decode_resp_hdr(u32 tag0, u32 tag1)
{
        unsigned long addr;

        addr = tag1;
        addr = ((addr << 16) << 16) | tag0;
        return (void *)addr;
}

static bool be_skip_err_log(u8 opcode, u16 base_status, u16 addl_status)
{
        if (base_status == MCC_STATUS_NOT_SUPPORTED ||
            base_status == MCC_STATUS_ILLEGAL_REQUEST ||
            addl_status == MCC_ADDL_STATUS_TOO_MANY_INTERFACES ||
            addl_status == MCC_ADDL_STATUS_INSUFFICIENT_VLANS ||
            (opcode == OPCODE_COMMON_WRITE_FLASHROM &&
            (base_status == MCC_STATUS_ILLEGAL_FIELD ||
             addl_status == MCC_ADDL_STATUS_FLASH_IMAGE_CRC_MISMATCH)))
                return true;
        else
                return false;
}

/* Place holder for all the async MCC cmds wherein the caller is not in a busy
 * loop (has not issued be_mcc_notify_wait())
 */
static void be_async_cmd_process(struct be_adapter *adapter,
                                 struct be_mcc_compl *compl,
                                 struct be_cmd_resp_hdr *resp_hdr)
{
        enum mcc_base_status base_status = base_status(compl->status);
        u8 opcode = 0, subsystem = 0;

        if (resp_hdr) {
                opcode = resp_hdr->opcode;
                subsystem = resp_hdr->subsystem;
        }

        if (opcode == OPCODE_LOWLEVEL_LOOPBACK_TEST &&
            subsystem == CMD_SUBSYSTEM_LOWLEVEL) {
                complete(&adapter->et_cmd_compl);
                return;
        }

        if (opcode == OPCODE_LOWLEVEL_SET_LOOPBACK_MODE &&
            subsystem == CMD_SUBSYSTEM_LOWLEVEL) {
                complete(&adapter->et_cmd_compl);
                return;
        }

        if ((opcode == OPCODE_COMMON_WRITE_FLASHROM ||
             opcode == OPCODE_COMMON_WRITE_OBJECT) &&
            subsystem == CMD_SUBSYSTEM_COMMON) {
                adapter->flash_status = compl->status;
                complete(&adapter->et_cmd_compl);
                return;
        }

        if ((opcode == OPCODE_ETH_GET_STATISTICS ||
             opcode == OPCODE_ETH_GET_PPORT_STATS) &&
            subsystem == CMD_SUBSYSTEM_ETH &&
            base_status == MCC_STATUS_SUCCESS) {
                be_parse_stats(adapter);
                adapter->stats_cmd_sent = false;
                return;
        }

        if (opcode == OPCODE_COMMON_GET_CNTL_ADDITIONAL_ATTRIBUTES &&
            subsystem == CMD_SUBSYSTEM_COMMON) {
                if (base_status == MCC_STATUS_SUCCESS) {
                        struct be_cmd_resp_get_cntl_addnl_attribs *resp =
                                                        (void *)resp_hdr;
                        adapter->hwmon_info.be_on_die_temp =
                                                resp->on_die_temperature;
                } else {
                        adapter->be_get_temp_freq = 0;
                        adapter->hwmon_info.be_on_die_temp =
                                                BE_INVALID_DIE_TEMP;
                }
                return;
        }
}

static int be_mcc_compl_process(struct be_adapter *adapter,
                                struct be_mcc_compl *compl)
{
        enum mcc_base_status base_status;
        enum mcc_addl_status addl_status;
        struct be_cmd_resp_hdr *resp_hdr;
        u8 opcode = 0, subsystem = 0;

        /* Just swap the status to host endian; mcc tag is opaquely copied
         * from mcc_wrb
         */
        be_dws_le_to_cpu(compl, 4);

        base_status = base_status(compl->status);
        addl_status = addl_status(compl->status);

        resp_hdr = be_decode_resp_hdr(compl->tag0, compl->tag1);
        if (resp_hdr) {
                opcode = resp_hdr->opcode;
                subsystem = resp_hdr->subsystem;
        }

        be_async_cmd_process(adapter, compl, resp_hdr);

        if (base_status != MCC_STATUS_SUCCESS &&
            !be_skip_err_log(opcode, base_status, addl_status)) {
                if (base_status == MCC_STATUS_UNAUTHORIZED_REQUEST ||
                    addl_status == MCC_ADDL_STATUS_INSUFFICIENT_PRIVILEGES) {
                        dev_warn(&adapter->pdev->dev,
                                 "VF is not privileged to issue opcode %d-%d\n",
                                 opcode, subsystem);
                } else {
                        dev_err(&adapter->pdev->dev,
                                "opcode %d-%d failed:status %d-%d\n",
                                opcode, subsystem, base_status, addl_status);
                }
        }
        return compl->status;
}

/* Link state evt is a string of bytes; no need for endian swapping */
static void be_async_link_state_process(struct be_adapter *adapter,
                                        struct be_mcc_compl *compl)
{
        struct be_async_event_link_state *evt =
                        (struct be_async_event_link_state *)compl;

        /* When link status changes, link speed must be re-queried from FW */
        adapter->phy.link_speed = -1;

        /* On BEx the FW does not send a separate link status
         * notification for physical and logical link.
         * On other chips just process the logical link
         * status notification
         */
        if (!BEx_chip(adapter) &&
            !(evt->port_link_status & LOGICAL_LINK_STATUS_MASK))
                return;

        /* For the initial link status do not rely on the ASYNC event as
         * it may not be received in some cases.
         */
        if (adapter->flags & BE_FLAGS_LINK_STATUS_INIT)
                be_link_status_update(adapter,
                                      evt->port_link_status & LINK_STATUS_MASK);
}

static void be_async_port_misconfig_event_process(struct be_adapter *adapter,
                                                  struct be_mcc_compl *compl)
{
        struct be_async_event_misconfig_port *evt =
                        (struct be_async_event_misconfig_port *)compl;
        u32 sfp_misconfig_evt_word1 = le32_to_cpu(evt->event_data_word1);
        u32 sfp_misconfig_evt_word2 = le32_to_cpu(evt->event_data_word2);
        u8 phy_oper_state = PHY_STATE_OPER_MSG_NONE;
        struct device *dev = &adapter->pdev->dev;
        u8 msg_severity = DEFAULT_MSG_SEVERITY;
        u8 phy_state_info;
        u8 new_phy_state;

        new_phy_state =
                (sfp_misconfig_evt_word1 >> (adapter->hba_port_num * 8)) & 0xff;

        if (new_phy_state == adapter->phy_state)
                return;

        adapter->phy_state = new_phy_state;

        /* for older fw that doesn't populate link effect data */
        if (!sfp_misconfig_evt_word2)
                goto log_message;

        phy_state_info =
                (sfp_misconfig_evt_word2 >> (adapter->hba_port_num * 8)) & 0xff;

        if (phy_state_info & PHY_STATE_INFO_VALID) {
                msg_severity = (phy_state_info & PHY_STATE_MSG_SEVERITY) >> 1;

                if (be_phy_unqualified(new_phy_state))
                        phy_oper_state = (phy_state_info & PHY_STATE_OPER);
        }

log_message:
        /* Log an error message that would allow a user to determine
         * whether the SFPs have an issue
         */
        if (be_phy_state_unknown(new_phy_state))
                dev_printk(be_port_misconfig_evt_severity[msg_severity], dev,
                           "Port %c: Unrecognized Optics state: 0x%x. %s",
                           adapter->port_name,
                           new_phy_state,
                           phy_state_oper_desc[phy_oper_state]);
        else
                dev_printk(be_port_misconfig_evt_severity[msg_severity], dev,
                           "Port %c: %s %s",
                           adapter->port_name,
                           be_misconfig_evt_port_state[new_phy_state],
                           phy_state_oper_desc[phy_oper_state]);

        /* Log Vendor name and part no. if a misconfigured SFP is detected */
        if (be_phy_misconfigured(new_phy_state))
                adapter->flags |= BE_FLAGS_PHY_MISCONFIGURED;
}

/* Grp5 CoS Priority evt */
static void be_async_grp5_cos_priority_process(struct be_adapter *adapter,
                                               struct be_mcc_compl *compl)
{
        struct be_async_event_grp5_cos_priority *evt =
                        (struct be_async_event_grp5_cos_priority *)compl;

        if (evt->valid) {
                adapter->vlan_prio_bmap = evt->available_priority_bmap;
                adapter->recommended_prio_bits =
                        evt->reco_default_priority << VLAN_PRIO_SHIFT;
        }
}

/* Grp5 QOS Speed evt: qos_link_speed is in units of 10 Mbps */
static void be_async_grp5_qos_speed_process(struct be_adapter *adapter,
                                            struct be_mcc_compl *compl)
{
        struct be_async_event_grp5_qos_link_speed *evt =
                        (struct be_async_event_grp5_qos_link_speed *)compl;

        if (adapter->phy.link_speed >= 0 &&
            evt->physical_port == adapter->port_num)
                adapter->phy.link_speed = le16_to_cpu(evt->qos_link_speed) * 10;
}

/*Grp5 PVID evt*/
static void be_async_grp5_pvid_state_process(struct be_adapter *adapter,
                                             struct be_mcc_compl *compl)
{
        struct be_async_event_grp5_pvid_state *evt =
                        (struct be_async_event_grp5_pvid_state *)compl;

        if (evt->enabled) {
                adapter->pvid = le16_to_cpu(evt->tag) & VLAN_VID_MASK;
                dev_info(&adapter->pdev->dev, "LPVID: %d\n", adapter->pvid);
        } else {
                adapter->pvid = 0;
        }
}

#define MGMT_ENABLE_MASK        0x4
static void be_async_grp5_fw_control_process(struct be_adapter *adapter,
                                             struct be_mcc_compl *compl)
{
        struct be_async_fw_control *evt = (struct be_async_fw_control *)compl;
        u32 evt_dw1 = le32_to_cpu(evt->event_data_word1);

        if (evt_dw1 & MGMT_ENABLE_MASK) {
                adapter->flags |= BE_FLAGS_OS2BMC;
                adapter->bmc_filt_mask = le32_to_cpu(evt->event_data_word2);
        } else {
                adapter->flags &= ~BE_FLAGS_OS2BMC;
        }
}

static void be_async_grp5_evt_process(struct be_adapter *adapter,
                                      struct be_mcc_compl *compl)
{
        u8 event_type = (compl->flags >> ASYNC_EVENT_TYPE_SHIFT) &
                                ASYNC_EVENT_TYPE_MASK;

        switch (event_type) {
        case ASYNC_EVENT_COS_PRIORITY:
                be_async_grp5_cos_priority_process(adapter, compl);
                break;
        case ASYNC_EVENT_QOS_SPEED:
                be_async_grp5_qos_speed_process(adapter, compl);
                break;
        case ASYNC_EVENT_PVID_STATE:
                be_async_grp5_pvid_state_process(adapter, compl);
                break;
        /* Async event to disable/enable os2bmc and/or mac-learning */
        case ASYNC_EVENT_FW_CONTROL:
                be_async_grp5_fw_control_process(adapter, compl);
                break;
        default:
                break;
        }
}

static void be_async_dbg_evt_process(struct be_adapter *adapter,
                                     struct be_mcc_compl *cmp)
{
        u8 event_type = 0;
        struct be_async_event_qnq *evt = (struct be_async_event_qnq *)cmp;

        event_type = (cmp->flags >> ASYNC_EVENT_TYPE_SHIFT) &
                        ASYNC_EVENT_TYPE_MASK;

        switch (event_type) {
        case ASYNC_DEBUG_EVENT_TYPE_QNQ:
                if (evt->valid)
                        adapter->qnq_vid = le16_to_cpu(evt->vlan_tag);
                adapter->flags |= BE_FLAGS_QNQ_ASYNC_EVT_RCVD;
        break;
        default:
                dev_warn(&adapter->pdev->dev, "Unknown debug event 0x%x!\n",
                         event_type);
        break;
        }
}

static void be_async_sliport_evt_process(struct be_adapter *adapter,
                                         struct be_mcc_compl *cmp)
{
        u8 event_type = (cmp->flags >> ASYNC_EVENT_TYPE_SHIFT) &
                        ASYNC_EVENT_TYPE_MASK;

        if (event_type == ASYNC_EVENT_PORT_MISCONFIG)
                be_async_port_misconfig_event_process(adapter, cmp);
}

static inline bool is_link_state_evt(u32 flags)
{
        return ((flags >> ASYNC_EVENT_CODE_SHIFT) & ASYNC_EVENT_CODE_MASK) ==
                        ASYNC_EVENT_CODE_LINK_STATE;
}

static inline bool is_grp5_evt(u32 flags)
{
        return ((flags >> ASYNC_EVENT_CODE_SHIFT) & ASYNC_EVENT_CODE_MASK) ==
                        ASYNC_EVENT_CODE_GRP_5;
}

static inline bool is_dbg_evt(u32 flags)
{
        return ((flags >> ASYNC_EVENT_CODE_SHIFT) & ASYNC_EVENT_CODE_MASK) ==
                        ASYNC_EVENT_CODE_QNQ;
}

static inline bool is_sliport_evt(u32 flags)
{
        return ((flags >> ASYNC_EVENT_CODE_SHIFT) & ASYNC_EVENT_CODE_MASK) ==
                ASYNC_EVENT_CODE_SLIPORT;
}

static void be_mcc_event_process(struct be_adapter *adapter,
                                 struct be_mcc_compl *compl)
{
        if (is_link_state_evt(compl->flags))
                be_async_link_state_process(adapter, compl);
        else if (is_grp5_evt(compl->flags))
                be_async_grp5_evt_process(adapter, compl);
        else if (is_dbg_evt(compl->flags))
                be_async_dbg_evt_process(adapter, compl);
        else if (is_sliport_evt(compl->flags))
                be_async_sliport_evt_process(adapter, compl);
}

static struct be_mcc_compl *be_mcc_compl_get(struct be_adapter *adapter)
{
        struct be_queue_info *mcc_cq = &adapter->mcc_obj.cq;
        struct be_mcc_compl *compl = queue_tail_node(mcc_cq);

        if (be_mcc_compl_is_new(compl)) {
                queue_tail_inc(mcc_cq);
                return compl;
        }
        return NULL;
}

void be_async_mcc_enable(struct be_adapter *adapter)
{
        spin_lock_bh(&adapter->mcc_cq_lock);

        be_cq_notify(adapter, adapter->mcc_obj.cq.id, true, 0);
        adapter->mcc_obj.rearm_cq = true;

        spin_unlock_bh(&adapter->mcc_cq_lock);
}

void be_async_mcc_disable(struct be_adapter *adapter)
{
        spin_lock_bh(&adapter->mcc_cq_lock);

        adapter->mcc_obj.rearm_cq = false;
        be_cq_notify(adapter, adapter->mcc_obj.cq.id, false, 0);

        spin_unlock_bh(&adapter->mcc_cq_lock);
}

int be_process_mcc(struct be_adapter *adapter)
{
        struct be_mcc_compl *compl;
        int num = 0, status = 0;
        struct be_mcc_obj *mcc_obj = &adapter->mcc_obj;

        spin_lock(&adapter->mcc_cq_lock);

        while ((compl = be_mcc_compl_get(adapter))) {
                if (compl->flags & CQE_FLAGS_ASYNC_MASK) {
                        be_mcc_event_process(adapter, compl);
                } else if (compl->flags & CQE_FLAGS_COMPLETED_MASK) {
                        status = be_mcc_compl_process(adapter, compl);
                        atomic_dec(&mcc_obj->q.used);
                }
                be_mcc_compl_use(compl);
                num++;
        }

        if (num)
                be_cq_notify(adapter, mcc_obj->cq.id, mcc_obj->rearm_cq, num);

        spin_unlock(&adapter->mcc_cq_lock);
        return status;
}

/* Wait till no more pending mcc requests are present */
static int be_mcc_wait_compl(struct be_adapter *adapter)
{
#define mcc_timeout             120000 /* 12s timeout */
        int i, status = 0;
        struct be_mcc_obj *mcc_obj = &adapter->mcc_obj;

        for (i = 0; i < mcc_timeout; i++) {
                if (be_check_error(adapter, BE_ERROR_ANY))
                        return -EIO;

                local_bh_disable();
                status = be_process_mcc(adapter);
                local_bh_enable();

                if (atomic_read(&mcc_obj->q.used) == 0)
                        break;
                udelay(100);
        }
        if (i == mcc_timeout) {
                dev_err(&adapter->pdev->dev, "FW not responding\n");
                be_set_error(adapter, BE_ERROR_FW);
                return -EIO;
        }
        return status;
}

/* Notify MCC requests and wait for completion */
static int be_mcc_notify_wait(struct be_adapter *adapter)
{
        int status;
        struct be_mcc_wrb *wrb;
        struct be_mcc_obj *mcc_obj = &adapter->mcc_obj;
        u32 index = mcc_obj->q.head;
        struct be_cmd_resp_hdr *resp;

        index_dec(&index, mcc_obj->q.len);
        wrb = queue_index_node(&mcc_obj->q, index);

        resp = be_decode_resp_hdr(wrb->tag0, wrb->tag1);

        status = be_mcc_notify(adapter);
        if (status)
                goto out;

        status = be_mcc_wait_compl(adapter);
        if (status == -EIO)
                goto out;

        status = (resp->base_status |
                  ((resp->addl_status & CQE_ADDL_STATUS_MASK) <<
                   CQE_ADDL_STATUS_SHIFT));
out:
        return status;
}

static int be_mbox_db_ready_wait(struct be_adapter *adapter, void __iomem *db)
{
        int msecs = 0;
        u32 ready;

        do {
                if (be_check_error(adapter, BE_ERROR_ANY))
                        return -EIO;

                ready = ioread32(db);
                if (ready == 0xffffffff)
                        return -1;

                ready &= MPU_MAILBOX_DB_RDY_MASK;
                if (ready)
                        break;

                if (msecs > 4000) {
                        dev_err(&adapter->pdev->dev, "FW not responding\n");
                        be_set_error(adapter, BE_ERROR_FW);
                        be_detect_error(adapter);
                        return -1;
                }

                msleep(1);
                msecs++;
        } while (true);

        return 0;
}

/* Insert the mailbox address into the doorbell in two steps
 * Polls on the mbox doorbell till a command completion (or a timeout) occurs
 */
static int be_mbox_notify_wait(struct be_adapter *adapter)
{
        int status;
        u32 val = 0;
        void __iomem *db = adapter->db + MPU_MAILBOX_DB_OFFSET;
        struct be_dma_mem *mbox_mem = &adapter->mbox_mem;
        struct be_mcc_mailbox *mbox = mbox_mem->va;
        struct be_mcc_compl *compl = &mbox->compl;

        /* wait for ready to be set */
        status = be_mbox_db_ready_wait(adapter, db);
        if (status != 0)
                return status;

        val |= MPU_MAILBOX_DB_HI_MASK;
        /* at bits 2 - 31 place mbox dma addr msb bits 34 - 63 */
        val |= (upper_32_bits(mbox_mem->dma) >> 2) << 2;
        iowrite32(val, db);

        /* wait for ready to be set */
        status = be_mbox_db_ready_wait(adapter, db);
        if (status != 0)
                return status;

        val = 0;
        /* at bits 2 - 31 place mbox dma addr lsb bits 4 - 33 */
        val |= (u32)(mbox_mem->dma >> 4) << 2;
        iowrite32(val, db);

        status = be_mbox_db_ready_wait(adapter, db);
        if (status != 0)
                return status;

        /* A cq entry has been made now */
        if (be_mcc_compl_is_new(compl)) {
                status = be_mcc_compl_process(adapter, &mbox->compl);
                be_mcc_compl_use(compl);
                if (status)
                        return status;
        } else {
                dev_err(&adapter->pdev->dev, "invalid mailbox completion\n");
                return -1;
        }
        return 0;
}

u16 be_POST_stage_get(struct be_adapter *adapter)
{
        u32 sem;

        if (BEx_chip(adapter))
                sem  = ioread32(adapter->csr + SLIPORT_SEMAPHORE_OFFSET_BEx);
        else
                pci_read_config_dword(adapter->pdev,
                                      SLIPORT_SEMAPHORE_OFFSET_SH, &sem);

        return sem & POST_STAGE_MASK;
}

static int lancer_wait_ready(struct be_adapter *adapter)
{
#define SLIPORT_READY_TIMEOUT 30
        u32 sliport_status;
        int i;

        for (i = 0; i < SLIPORT_READY_TIMEOUT; i++) {
                sliport_status = ioread32(adapter->db + SLIPORT_STATUS_OFFSET);
                if (sliport_status & SLIPORT_STATUS_RDY_MASK)
                        return 0;

                if (sliport_status & SLIPORT_STATUS_ERR_MASK &&
                    !(sliport_status & SLIPORT_STATUS_RN_MASK))
                        return -EIO;

                msleep(1000);
        }

        return sliport_status ? : -1;
}

int be_fw_wait_ready(struct be_adapter *adapter)
{
        u16 stage;
        int status, timeout = 0;
        struct device *dev = &adapter->pdev->dev;

        if (lancer_chip(adapter)) {
                status = lancer_wait_ready(adapter);
                if (status) {
                        stage = status;
                        goto err;
                }
                return 0;
        }

        do {
                /* There's no means to poll POST state on BE2/3 VFs */
                if (BEx_chip(adapter) && be_virtfn(adapter))
                        return 0;

                stage = be_POST_stage_get(adapter);
                if (stage == POST_STAGE_ARMFW_RDY)
                        return 0;

                dev_info(dev, "Waiting for POST, %ds elapsed\n", timeout);
                if (msleep_interruptible(2000)) {
                        dev_err(dev, "Waiting for POST aborted\n");
                        return -EINTR;
                }
                timeout += 2;
        } while (timeout < 60);

err:
        dev_err(dev, "POST timeout; stage=%#x\n", stage);
        return -ETIMEDOUT;
}

static inline struct be_sge *nonembedded_sgl(struct be_mcc_wrb *wrb)
{
        return &wrb->payload.sgl[0];
}

static inline void fill_wrb_tags(struct be_mcc_wrb *wrb, unsigned long addr)
{
        wrb->tag0 = addr & 0xFFFFFFFF;
        wrb->tag1 = upper_32_bits(addr);
}

/* Don't touch the hdr after it's prepared */
/* mem will be NULL for embedded commands */
static void be_wrb_cmd_hdr_prepare(struct be_cmd_req_hdr *req_hdr,
                                   u8 subsystem, u8 opcode, int cmd_len,
                                   struct be_mcc_wrb *wrb,
                                   struct be_dma_mem *mem)
{
        struct be_sge *sge;

        req_hdr->opcode = opcode;
        req_hdr->subsystem = subsystem;
        req_hdr->request_length = cpu_to_le32(cmd_len - sizeof(*req_hdr));
        req_hdr->version = 0;
        fill_wrb_tags(wrb, (ulong)req_hdr);
        wrb->payload_length = cmd_len;
        if (mem) {
                wrb->embedded |= (1 & MCC_WRB_SGE_CNT_MASK) <<
                        MCC_WRB_SGE_CNT_SHIFT;
                sge = nonembedded_sgl(wrb);
                sge->pa_hi = cpu_to_le32(upper_32_bits(mem->dma));
                sge->pa_lo = cpu_to_le32(mem->dma & 0xFFFFFFFF);
                sge->len = cpu_to_le32(mem->size);
        } else
                wrb->embedded |= MCC_WRB_EMBEDDED_MASK;
        be_dws_cpu_to_le(wrb, 8);
}

static void be_cmd_page_addrs_prepare(struct phys_addr *pages, u32 max_pages,
                                      struct be_dma_mem *mem)
{
        int i, buf_pages = min(PAGES_4K_SPANNED(mem->va, mem->size), max_pages);
        u64 dma = (u64)mem->dma;

        for (i = 0; i < buf_pages; i++) {
                pages[i].lo = cpu_to_le32(dma & 0xFFFFFFFF);
                pages[i].hi = cpu_to_le32(upper_32_bits(dma));
                dma += PAGE_SIZE_4K;
        }
}

static inline struct be_mcc_wrb *wrb_from_mbox(struct be_adapter *adapter)
{
        struct be_dma_mem *mbox_mem = &adapter->mbox_mem;
        struct be_mcc_wrb *wrb = &((struct be_mcc_mailbox *)(mbox_mem->va))->wrb;

        memset(wrb, 0, sizeof(*wrb));
        return wrb;
}

static struct be_mcc_wrb *wrb_from_mccq(struct be_adapter *adapter)
{
        struct be_queue_info *mccq = &adapter->mcc_obj.q;
        struct be_mcc_wrb *wrb;

        if (!mccq->created)
                return NULL;

        if (atomic_read(&mccq->used) >= mccq->len)
                return NULL;

        wrb = queue_head_node(mccq);
        queue_head_inc(mccq);
        atomic_inc(&mccq->used);
        memset(wrb, 0, sizeof(*wrb));
        return wrb;
}

static bool use_mcc(struct be_adapter *adapter)
{
        return adapter->mcc_obj.q.created;
}

/* Must be used only in process context */
static int be_cmd_lock(struct be_adapter *adapter)
{
        if (use_mcc(adapter)) {
                spin_lock_bh(&adapter->mcc_lock);
                return 0;
        } else {
                return mutex_lock_interruptible(&adapter->mbox_lock);
        }
}

/* Must be used only in process context */
static void be_cmd_unlock(struct be_adapter *adapter)
{
        if (use_mcc(adapter))
                return spin_unlock_bh(&adapter->mcc_lock);
        else
                return mutex_unlock(&adapter->mbox_lock);
}

static struct be_mcc_wrb *be_cmd_copy(struct be_adapter *adapter,
                                      struct be_mcc_wrb *wrb)
{
        struct be_mcc_wrb *dest_wrb;

        if (use_mcc(adapter)) {
                dest_wrb = wrb_from_mccq(adapter);
                if (!dest_wrb)
                        return NULL;
        } else {
                dest_wrb = wrb_from_mbox(adapter);
        }

        memcpy(dest_wrb, wrb, sizeof(*wrb));
        if (wrb->embedded & cpu_to_le32(MCC_WRB_EMBEDDED_MASK))
                fill_wrb_tags(dest_wrb, (ulong)embedded_payload(wrb));

        return dest_wrb;
}

/* Must be used only in process context */
static int be_cmd_notify_wait(struct be_adapter *adapter,
                              struct be_mcc_wrb *wrb)
{
        struct be_mcc_wrb *dest_wrb;
        int status;

        status = be_cmd_lock(adapter);
        if (status)
                return status;

        dest_wrb = be_cmd_copy(adapter, wrb);
        if (!dest_wrb) {
                status = -EBUSY;
                goto unlock;
        }

        if (use_mcc(adapter))
                status = be_mcc_notify_wait(adapter);
        else
                status = be_mbox_notify_wait(adapter);

        if (!status)
                memcpy(wrb, dest_wrb, sizeof(*wrb));

unlock:
        be_cmd_unlock(adapter);
        return status;
}

/* Tell fw we're about to start firing cmds by writing a
 * special pattern across the wrb hdr; uses mbox
 */
int be_cmd_fw_init(struct be_adapter *adapter)
{
        u8 *wrb;
        int status;

        if (lancer_chip(adapter))
                return 0;

        if (mutex_lock_interruptible(&adapter->mbox_lock))
                return -1;

        wrb = (u8 *)wrb_from_mbox(adapter);
        *wrb++ = 0xFF;
        *wrb++ = 0x12;
        *wrb++ = 0x34;
        *wrb++ = 0xFF;
        *wrb++ = 0xFF;
        *wrb++ = 0x56;
        *wrb++ = 0x78;
        *wrb = 0xFF;

        status = be_mbox_notify_wait(adapter);

        mutex_unlock(&adapter->mbox_lock);
        return status;
}

/* Tell fw we're done with firing cmds by writing a
 * special pattern across the wrb hdr; uses mbox
 */
int be_cmd_fw_clean(struct be_adapter *adapter)
{
        u8 *wrb;
        int status;

        if (lancer_chip(adapter))
                return 0;

        if (mutex_lock_interruptible(&adapter->mbox_lock))
                return -1;

        wrb = (u8 *)wrb_from_mbox(adapter);
        *wrb++ = 0xFF;
        *wrb++ = 0xAA;
        *wrb++ = 0xBB;
        *wrb++ = 0xFF;
        *wrb++ = 0xFF;
        *wrb++ = 0xCC;
        *wrb++ = 0xDD;
        *wrb = 0xFF;

        status = be_mbox_notify_wait(adapter);

        mutex_unlock(&adapter->mbox_lock);
        return status;
}

int be_cmd_eq_create(struct be_adapter *adapter, struct be_eq_obj *eqo)
{
        struct be_mcc_wrb *wrb;
        struct be_cmd_req_eq_create *req;
        struct be_dma_mem *q_mem = &eqo->q.dma_mem;
        int status, ver = 0;

        if (mutex_lock_interruptible(&adapter->mbox_lock))
                return -1;

        wrb = wrb_from_mbox(adapter);
        req = embedded_payload(wrb);

        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
                               OPCODE_COMMON_EQ_CREATE, sizeof(*req), wrb,
                               NULL);

        /* Support for EQ_CREATEv2 available only SH-R onwards */
        if (!(BEx_chip(adapter) || lancer_chip(adapter)))
                ver = 2;

        req->hdr.version = ver;
        req->num_pages =  cpu_to_le16(PAGES_4K_SPANNED(q_mem->va, q_mem->size));

        AMAP_SET_BITS(struct amap_eq_context, valid, req->context, 1);
        /* 4byte eqe*/
        AMAP_SET_BITS(struct amap_eq_context, size, req->context, 0);
        AMAP_SET_BITS(struct amap_eq_context, count, req->context,
                      __ilog2_u32(eqo->q.len / 256));
        be_dws_cpu_to_le(req->context, sizeof(req->context));

        be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem);

        status = be_mbox_notify_wait(adapter);
        if (!status) {
                struct be_cmd_resp_eq_create *resp = embedded_payload(wrb);

                eqo->q.id = le16_to_cpu(resp->eq_id);
                eqo->msix_idx =
                        (ver == 2) ? le16_to_cpu(resp->msix_idx) : eqo->idx;
                eqo->q.created = true;
        }

        mutex_unlock(&adapter->mbox_lock);
        return status;
}

/* Use MCC */
int be_cmd_mac_addr_query(struct be_adapter *adapter, u8 *mac_addr,
                          bool permanent, u32 if_handle, u32 pmac_id)
{
        struct be_mcc_wrb *wrb;
        struct be_cmd_req_mac_query *req;
        int status;

        spin_lock_bh(&adapter->mcc_lock);

        wrb = wrb_from_mccq(adapter);
        if (!wrb) {
                status = -EBUSY;
                goto err;
        }
        req = embedded_payload(wrb);

        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
                               OPCODE_COMMON_NTWK_MAC_QUERY, sizeof(*req), wrb,
                               NULL);
        req->type = MAC_ADDRESS_TYPE_NETWORK;
        if (permanent) {
                req->permanent = 1;
        } else {
                req->if_id = cpu_to_le16((u16)if_handle);
                req->pmac_id = cpu_to_le32(pmac_id);
                req->permanent = 0;
        }

        status = be_mcc_notify_wait(adapter);
        if (!status) {
                struct be_cmd_resp_mac_query *resp = embedded_payload(wrb);

                memcpy(mac_addr, resp->mac.addr, ETH_ALEN);
        }

err:
        spin_unlock_bh(&adapter->mcc_lock);
        return status;
}

/* Uses synchronous MCCQ */
int be_cmd_pmac_add(struct be_adapter *adapter, const u8 *mac_addr,
                    u32 if_id, u32 *pmac_id, u32 domain)
{
        struct be_mcc_wrb *wrb;
        struct be_cmd_req_pmac_add *req;
        int status;

        spin_lock_bh(&adapter->mcc_lock);

        wrb = wrb_from_mccq(adapter);
        if (!wrb) {
                status = -EBUSY;
                goto err;
        }
        req = embedded_payload(wrb);

        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
                               OPCODE_COMMON_NTWK_PMAC_ADD, sizeof(*req), wrb,
                               NULL);

        req->hdr.domain = domain;
        req->if_id = cpu_to_le32(if_id);
        memcpy(req->mac_address, mac_addr, ETH_ALEN);

        status = be_mcc_notify_wait(adapter);
        if (!status) {
                struct be_cmd_resp_pmac_add *resp = embedded_payload(wrb);

                *pmac_id = le32_to_cpu(resp->pmac_id);
        }

err:
        spin_unlock_bh(&adapter->mcc_lock);

        if (base_status(status) == MCC_STATUS_UNAUTHORIZED_REQUEST)
                status = -EPERM;

        return status;
}

/* Uses synchronous MCCQ */
int be_cmd_pmac_del(struct be_adapter *adapter, u32 if_id, int pmac_id, u32 dom)
{
        struct be_mcc_wrb *wrb;
        struct be_cmd_req_pmac_del *req;
        int status;

        if (pmac_id == -1)
                return 0;

        spin_lock_bh(&adapter->mcc_lock);

        wrb = wrb_from_mccq(adapter);
        if (!wrb) {
                status = -EBUSY;
                goto err;
        }
        req = embedded_payload(wrb);

        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
                               OPCODE_COMMON_NTWK_PMAC_DEL, sizeof(*req),
                               wrb, NULL);

        req->hdr.domain = dom;
        req->if_id = cpu_to_le32(if_id);
        req->pmac_id = cpu_to_le32(pmac_id);

        status = be_mcc_notify_wait(adapter);

err:
        spin_unlock_bh(&adapter->mcc_lock);
        return status;
}

/* Uses Mbox */
int be_cmd_cq_create(struct be_adapter *adapter, struct be_queue_info *cq,
                     struct be_queue_info *eq, bool no_delay, int coalesce_wm)
{
        struct be_mcc_wrb *wrb;
        struct be_cmd_req_cq_create *req;
        struct be_dma_mem *q_mem = &cq->dma_mem;
        void *ctxt;
        int status;

        if (mutex_lock_interruptible(&adapter->mbox_lock))
                return -1;

        wrb = wrb_from_mbox(adapter);
        req = embedded_payload(wrb);
        ctxt = &req->context;

        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
                               OPCODE_COMMON_CQ_CREATE, sizeof(*req), wrb,
                               NULL);

        req->num_pages =  cpu_to_le16(PAGES_4K_SPANNED(q_mem->va, q_mem->size));

        if (BEx_chip(adapter)) {
                AMAP_SET_BITS(struct amap_cq_context_be, coalescwm, ctxt,
                              coalesce_wm);
                AMAP_SET_BITS(struct amap_cq_context_be, nodelay,
                              ctxt, no_delay);
                AMAP_SET_BITS(struct amap_cq_context_be, count, ctxt,
                              __ilog2_u32(cq->len / 256));
                AMAP_SET_BITS(struct amap_cq_context_be, valid, ctxt, 1);
                AMAP_SET_BITS(struct amap_cq_context_be, eventable, ctxt, 1);
                AMAP_SET_BITS(struct amap_cq_context_be, eqid, ctxt, eq->id);
        } else {
                req->hdr.version = 2;
                req->page_size = 1; /* 1 for 4K */

                /* coalesce-wm field in this cmd is not relevant to Lancer.
                 * Lancer uses COMMON_MODIFY_CQ to set this field
                 */
                if (!lancer_chip(adapter))
                        AMAP_SET_BITS(struct amap_cq_context_v2, coalescwm,
                                      ctxt, coalesce_wm);
                AMAP_SET_BITS(struct amap_cq_context_v2, nodelay, ctxt,
                              no_delay);
                AMAP_SET_BITS(struct amap_cq_context_v2, count, ctxt,
                              __ilog2_u32(cq->len / 256));
                AMAP_SET_BITS(struct amap_cq_context_v2, valid, ctxt, 1);
                AMAP_SET_BITS(struct amap_cq_context_v2, eventable, ctxt, 1);
                AMAP_SET_BITS(struct amap_cq_context_v2, eqid, ctxt, eq->id);
        }

        be_dws_cpu_to_le(ctxt, sizeof(req->context));

        be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem);

        status = be_mbox_notify_wait(adapter);
        if (!status) {
                struct be_cmd_resp_cq_create *resp = embedded_payload(wrb);

                cq->id = le16_to_cpu(resp->cq_id);
                cq->created = true;
        }

        mutex_unlock(&adapter->mbox_lock);

        return status;
}

static u32 be_encoded_q_len(int q_len)
{
        u32 len_encoded = fls(q_len); /* log2(len) + 1 */

        if (len_encoded == 16)
                len_encoded = 0;
        return len_encoded;
}

static int be_cmd_mccq_ext_create(struct be_adapter *adapter,
                                  struct be_queue_info *mccq,
                                  struct be_queue_info *cq)
{
        struct be_mcc_wrb *wrb;
        struct be_cmd_req_mcc_ext_create *req;
        struct be_dma_mem *q_mem = &mccq->dma_mem;
        void *ctxt;
        int status;

        if (mutex_lock_interruptible(&adapter->mbox_lock))
                return -1;

        wrb = wrb_from_mbox(adapter);
        req = embedded_payload(wrb);
        ctxt = &req->context;

        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
                               OPCODE_COMMON_MCC_CREATE_EXT, sizeof(*req), wrb,
                               NULL);

        req->num_pages = cpu_to_le16(PAGES_4K_SPANNED(q_mem->va, q_mem->size));
        if (BEx_chip(adapter)) {
                AMAP_SET_BITS(struct amap_mcc_context_be, valid, ctxt, 1);
                AMAP_SET_BITS(struct amap_mcc_context_be, ring_size, ctxt,
                              be_encoded_q_len(mccq->len));
                AMAP_SET_BITS(struct amap_mcc_context_be, cq_id, ctxt, cq->id);
        } else {
                req->hdr.version = 1;
                req->cq_id = cpu_to_le16(cq->id);

                AMAP_SET_BITS(struct amap_mcc_context_v1, ring_size, ctxt,
                              be_encoded_q_len(mccq->len));
                AMAP_SET_BITS(struct amap_mcc_context_v1, valid, ctxt, 1);
                AMAP_SET_BITS(struct amap_mcc_context_v1, async_cq_id,
                              ctxt, cq->id);
                AMAP_SET_BITS(struct amap_mcc_context_v1, async_cq_valid,
                              ctxt, 1);
        }

        /* Subscribe to Link State, Sliport Event and Group 5 Events
         * (bits 1, 5 and 17 set)
         */
        req->async_event_bitmap[0] =
                        cpu_to_le32(BIT(ASYNC_EVENT_CODE_LINK_STATE) |
                                    BIT(ASYNC_EVENT_CODE_GRP_5) |
                                    BIT(ASYNC_EVENT_CODE_QNQ) |
                                    BIT(ASYNC_EVENT_CODE_SLIPORT));

        be_dws_cpu_to_le(ctxt, sizeof(req->context));

        be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem);

        status = be_mbox_notify_wait(adapter);
        if (!status) {
                struct be_cmd_resp_mcc_create *resp = embedded_payload(wrb);

                mccq->id = le16_to_cpu(resp->id);
                mccq->created = true;
        }
        mutex_unlock(&adapter->mbox_lock);

        return status;
}

static int be_cmd_mccq_org_create(struct be_adapter *adapter,
                                  struct be_queue_info *mccq,
                                  struct be_queue_info *cq)
{
        struct be_mcc_wrb *wrb;
        struct be_cmd_req_mcc_create *req;
        struct be_dma_mem *q_mem = &mccq->dma_mem;
        void *ctxt;
        int status;

        if (mutex_lock_interruptible(&adapter->mbox_lock))
                return -1;

        wrb = wrb_from_mbox(adapter);
        req = embedded_payload(wrb);
        ctxt = &req->context;

        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
                               OPCODE_COMMON_MCC_CREATE, sizeof(*req), wrb,
                               NULL);

        req->num_pages = cpu_to_le16(PAGES_4K_SPANNED(q_mem->va, q_mem->size));

        AMAP_SET_BITS(struct amap_mcc_context_be, valid, ctxt, 1);
        AMAP_SET_BITS(struct amap_mcc_context_be, ring_size, ctxt,
                      be_encoded_q_len(mccq->len));
        AMAP_SET_BITS(struct amap_mcc_context_be, cq_id, ctxt, cq->id);

        be_dws_cpu_to_le(ctxt, sizeof(req->context));

        be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem);

        status = be_mbox_notify_wait(adapter);
        if (!status) {
                struct be_cmd_resp_mcc_create *resp = embedded_payload(wrb);

                mccq->id = le16_to_cpu(resp->id);
                mccq->created = true;
        }

        mutex_unlock(&adapter->mbox_lock);
        return status;
}

int be_cmd_mccq_create(struct be_adapter *adapter,
                       struct be_queue_info *mccq, struct be_queue_info *cq)
{
        int status;

        status = be_cmd_mccq_ext_create(adapter, mccq, cq);
        if (status && BEx_chip(adapter)) {
                dev_warn(&adapter->pdev->dev, "Upgrade to F/W ver 2.102.235.0 "
                        "or newer to avoid conflicting priorities between NIC "
                        "and FCoE traffic");
                status = be_cmd_mccq_org_create(adapter, mccq, cq);
        }
        return status;
}

int be_cmd_txq_create(struct be_adapter *adapter, struct be_tx_obj *txo)
{
        struct be_mcc_wrb wrb = {0};
        struct be_cmd_req_eth_tx_create *req;
        struct be_queue_info *txq = &txo->q;
        struct be_queue_info *cq = &txo->cq;
        struct be_dma_mem *q_mem = &txq->dma_mem;
        int status, ver = 0;

        req = embedded_payload(&wrb);
        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH,
                               OPCODE_ETH_TX_CREATE, sizeof(*req), &wrb, NULL);

        if (lancer_chip(adapter)) {
                req->hdr.version = 1;
        } else if (BEx_chip(adapter)) {
                if (adapter->function_caps & BE_FUNCTION_CAPS_SUPER_NIC)
                        req->hdr.version = 2;
        } else { /* For SH */
                req->hdr.version = 2;
        }

        if (req->hdr.version > 0)
                req->if_id = cpu_to_le16(adapter->if_handle);
        req->num_pages = PAGES_4K_SPANNED(q_mem->va, q_mem->size);
        req->ulp_num = BE_ULP1_NUM;
        req->type = BE_ETH_TX_RING_TYPE_STANDARD;
        req->cq_id = cpu_to_le16(cq->id);
        req->queue_size = be_encoded_q_len(txq->len);
        be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem);
        ver = req->hdr.version;

        status = be_cmd_notify_wait(adapter, &wrb);
        if (!status) {
                struct be_cmd_resp_eth_tx_create *resp = embedded_payload(&wrb);

                txq->id = le16_to_cpu(resp->cid);
                if (ver == 2)
                        txo->db_offset = le32_to_cpu(resp->db_offset);
                else
                        txo->db_offset = DB_TXULP1_OFFSET;
                txq->created = true;
        }

        return status;
}

/* Uses MCC */
int be_cmd_rxq_create(struct be_adapter *adapter,
                      struct be_queue_info *rxq, u16 cq_id, u16 frag_size,
                      u32 if_id, u32 rss, u8 *rss_id)
{
        struct be_mcc_wrb *wrb;
        struct be_cmd_req_eth_rx_create *req;
        struct be_dma_mem *q_mem = &rxq->dma_mem;
        int status;

        spin_lock_bh(&adapter->mcc_lock);

        wrb = wrb_from_mccq(adapter);
        if (!wrb) {
                status = -EBUSY;
                goto err;
        }
        req = embedded_payload(wrb);

        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH,
                               OPCODE_ETH_RX_CREATE, sizeof(*req), wrb, NULL);

        req->cq_id = cpu_to_le16(cq_id);
        req->frag_size = fls(frag_size) - 1;
        req->num_pages = 2;
        be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem);
        req->interface_id = cpu_to_le32(if_id);
        req->max_frame_size = cpu_to_le16(BE_MAX_JUMBO_FRAME_SIZE);
        req->rss_queue = cpu_to_le32(rss);

        status = be_mcc_notify_wait(adapter);
        if (!status) {
                struct be_cmd_resp_eth_rx_create *resp = embedded_payload(wrb);

                rxq->id = le16_to_cpu(resp->id);
                rxq->created = true;
                *rss_id = resp->rss_id;
        }

err:
        spin_unlock_bh(&adapter->mcc_lock);
        return status;
}

/* Generic destroyer function for all types of queues
 * Uses Mbox
 */
int be_cmd_q_destroy(struct be_adapter *adapter, struct be_queue_info *q,
                     int queue_type)
{
        struct be_mcc_wrb *wrb;
        struct be_cmd_req_q_destroy *req;
        u8 subsys = 0, opcode = 0;
        int status;

        if (mutex_lock_interruptible(&adapter->mbox_lock))
                return -1;

        wrb = wrb_from_mbox(adapter);
        req = embedded_payload(wrb);

        switch (queue_type) {
        case QTYPE_EQ:
                subsys = CMD_SUBSYSTEM_COMMON;
                opcode = OPCODE_COMMON_EQ_DESTROY;
                break;
        case QTYPE_CQ:
                subsys = CMD_SUBSYSTEM_COMMON;
                opcode = OPCODE_COMMON_CQ_DESTROY;
                break;
        case QTYPE_TXQ:
                subsys = CMD_SUBSYSTEM_ETH;
                opcode = OPCODE_ETH_TX_DESTROY;
                break;
        case QTYPE_RXQ:
                subsys = CMD_SUBSYSTEM_ETH;
                opcode = OPCODE_ETH_RX_DESTROY;
                break;
        case QTYPE_MCCQ:
                subsys = CMD_SUBSYSTEM_COMMON;
                opcode = OPCODE_COMMON_MCC_DESTROY;
                break;
        default:
                BUG();
        }

        be_wrb_cmd_hdr_prepare(&req->hdr, subsys, opcode, sizeof(*req), wrb,
                               NULL);
        req->id = cpu_to_le16(q->id);

        status = be_mbox_notify_wait(adapter);
        q->created = false;

        mutex_unlock(&adapter->mbox_lock);
        return status;
}

/* Uses MCC */
int be_cmd_rxq_destroy(struct be_adapter *adapter, struct be_queue_info *q)
{
        struct be_mcc_wrb *wrb;
        struct be_cmd_req_q_destroy *req;
        int status;

        spin_lock_bh(&adapter->mcc_lock);

        wrb = wrb_from_mccq(adapter);
        if (!wrb) {
                status = -EBUSY;
                goto err;
        }
        req = embedded_payload(wrb);

        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH,
                               OPCODE_ETH_RX_DESTROY, sizeof(*req), wrb, NULL);
        req->id = cpu_to_le16(q->id);

        status = be_mcc_notify_wait(adapter);
        q->created = false;

err:
        spin_unlock_bh(&adapter->mcc_lock);
        return status;
}

/* Create an rx filtering policy configuration on an i/f
 * Will use MBOX only if MCCQ has not been created.
 */
int be_cmd_if_create(struct be_adapter *adapter, u32 cap_flags, u32 en_flags,
                     u32 *if_handle, u32 domain)
{
        struct be_mcc_wrb wrb = {0};
        struct be_cmd_req_if_create *req;
        int status;

        req = embedded_payload(&wrb);
        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
                               OPCODE_COMMON_NTWK_INTERFACE_CREATE,
                               sizeof(*req), &wrb, NULL);
        req->hdr.domain = domain;
        req->capability_flags = cpu_to_le32(cap_flags);
        req->enable_flags = cpu_to_le32(en_flags);
        req->pmac_invalid = true;

        status = be_cmd_notify_wait(adapter, &wrb);
        if (!status) {
                struct be_cmd_resp_if_create *resp = embedded_payload(&wrb);

                *if_handle = le32_to_cpu(resp->interface_id);

                /* Hack to retrieve VF's pmac-id on BE3 */
                if (BE3_chip(adapter) && be_virtfn(adapter))
                        adapter->pmac_id[0] = le32_to_cpu(resp->pmac_id);
        }
        return status;
}

/* Uses MCCQ if available else MBOX */
int be_cmd_if_destroy(struct be_adapter *adapter, int interface_id, u32 domain)
{
        struct be_mcc_wrb wrb = {0};
        struct be_cmd_req_if_destroy *req;
        int status;

        if (interface_id == -1)
                return 0;

        req = embedded_payload(&wrb);

        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
                               OPCODE_COMMON_NTWK_INTERFACE_DESTROY,
                               sizeof(*req), &wrb, NULL);
        req->hdr.domain = domain;
        req->interface_id = cpu_to_le32(interface_id);

        status = be_cmd_notify_wait(adapter, &wrb);
        return status;
}

/* Get stats is a non embedded command: the request is not embedded inside
 * WRB but is a separate dma memory block
 * Uses asynchronous MCC
 */
int be_cmd_get_stats(struct be_adapter *adapter, struct be_dma_mem *nonemb_cmd)
{
        struct be_mcc_wrb *wrb;
        struct be_cmd_req_hdr *hdr;
        int status = 0;

        spin_lock_bh(&adapter->mcc_lock);

        wrb = wrb_from_mccq(adapter);
        if (!wrb) {
                status = -EBUSY;
                goto err;
        }
        hdr = nonemb_cmd->va;

        be_wrb_cmd_hdr_prepare(hdr, CMD_SUBSYSTEM_ETH,
                               OPCODE_ETH_GET_STATISTICS, nonemb_cmd->size, wrb,
                               nonemb_cmd);

        /* version 1 of the cmd is not supported only by BE2 */
        if (BE2_chip(adapter))
                hdr->version = 0;
        else if (BE3_chip(adapter) || lancer_chip(adapter))
                hdr->version = 1;
        else
                hdr->version = 2;

        status = be_mcc_notify(adapter);
        if (status)
                goto err;

        adapter->stats_cmd_sent = true;

err:
        spin_unlock_bh(&adapter->mcc_lock);
        return status;
}

/* Lancer Stats */
int lancer_cmd_get_pport_stats(struct be_adapter *adapter,
                               struct be_dma_mem *nonemb_cmd)
{
        struct be_mcc_wrb *wrb;
        struct lancer_cmd_req_pport_stats *req;
        int status = 0;

        if (!be_cmd_allowed(adapter, OPCODE_ETH_GET_PPORT_STATS,
                            CMD_SUBSYSTEM_ETH))
                return -EPERM;

        spin_lock_bh(&adapter->mcc_lock);

        wrb = wrb_from_mccq(adapter);
        if (!wrb) {
                status = -EBUSY;
                goto err;
        }
        req = nonemb_cmd->va;

        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH,
                               OPCODE_ETH_GET_PPORT_STATS, nonemb_cmd->size,
                               wrb, nonemb_cmd);

        req->cmd_params.params.pport_num = cpu_to_le16(adapter->hba_port_num);
        req->cmd_params.params.reset_stats = 0;

        status = be_mcc_notify(adapter);
        if (status)
                goto err;

        adapter->stats_cmd_sent = true;

err:
        spin_unlock_bh(&adapter->mcc_lock);
        return status;
}

static int be_mac_to_link_speed(int mac_speed)
{
        switch (mac_speed) {
        case PHY_LINK_SPEED_ZERO:
                return 0;
        case PHY_LINK_SPEED_10MBPS:
                return 10;
        case PHY_LINK_SPEED_100MBPS:
                return 100;
        case PHY_LINK_SPEED_1GBPS:
                return 1000;
        case PHY_LINK_SPEED_10GBPS:
                return 10000;
        case PHY_LINK_SPEED_20GBPS:
                return 20000;
        case PHY_LINK_SPEED_25GBPS:
                return 25000;
        case PHY_LINK_SPEED_40GBPS:
                return 40000;
        }
        return 0;
}

/* Uses synchronous mcc
 * Returns link_speed in Mbps
 */
int be_cmd_link_status_query(struct be_adapter *adapter, u16 *link_speed,
                             u8 *link_status, u32 dom)
{
        struct be_mcc_wrb *wrb;
        struct be_cmd_req_link_status *req;
        int status;

        spin_lock_bh(&adapter->mcc_lock);

        if (link_status)
                *link_status = LINK_DOWN;

        wrb = wrb_from_mccq(adapter);
        if (!wrb) {
                status = -EBUSY;
                goto err;
        }
        req = embedded_payload(wrb);

        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
                               OPCODE_COMMON_NTWK_LINK_STATUS_QUERY,
                               sizeof(*req), wrb, NULL);

        /* version 1 of the cmd is not supported only by BE2 */
        if (!BE2_chip(adapter))
                req->hdr.version = 1;

        req->hdr.domain = dom;

        status = be_mcc_notify_wait(adapter);
        if (!status) {
                struct be_cmd_resp_link_status *resp = embedded_payload(wrb);

                if (link_speed) {
                        *link_speed = resp->link_speed ?
                                      le16_to_cpu(resp->link_speed) * 10 :
                                      be_mac_to_link_speed(resp->mac_speed);

                        if (!resp->logical_link_status)
                                *link_speed = 0;
                }
                if (link_status)
                        *link_status = resp->logical_link_status;
        }

err:
        spin_unlock_bh(&adapter->mcc_lock);
        return status;
}

/* Uses synchronous mcc */
int be_cmd_get_die_temperature(struct be_adapter *adapter)
{
        struct be_mcc_wrb *wrb;
        struct be_cmd_req_get_cntl_addnl_attribs *req;
        int status = 0;

        spin_lock_bh(&adapter->mcc_lock);

        wrb = wrb_from_mccq(adapter);
        if (!wrb) {
                status = -EBUSY;
                goto err;
        }
        req = embedded_payload(wrb);

        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
                               OPCODE_COMMON_GET_CNTL_ADDITIONAL_ATTRIBUTES,
                               sizeof(*req), wrb, NULL);

        status = be_mcc_notify(adapter);
err:
        spin_unlock_bh(&adapter->mcc_lock);
        return status;
}

/* Uses synchronous mcc */
int be_cmd_get_fat_dump_len(struct be_adapter *adapter, u32 *dump_size)
{
        struct be_mcc_wrb wrb = {0};
        struct be_cmd_req_get_fat *req;
        int status;

        req = embedded_payload(&wrb);

        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
                               OPCODE_COMMON_MANAGE_FAT, sizeof(*req),
                               &wrb, NULL);
        req->fat_operation = cpu_to_le32(QUERY_FAT);
        status = be_cmd_notify_wait(adapter, &wrb);
        if (!status) {
                struct be_cmd_resp_get_fat *resp = embedded_payload(&wrb);

                if (dump_size && resp->log_size)
                        *dump_size = le32_to_cpu(resp->log_size) -
                                        sizeof(u32);
        }
        return status;
}

int be_cmd_get_fat_dump(struct be_adapter *adapter, u32 buf_len, void *buf)
{
        struct be_dma_mem get_fat_cmd;
        struct be_mcc_wrb *wrb;
        struct be_cmd_req_get_fat *req;
        u32 offset = 0, total_size, buf_size,
                                log_offset = sizeof(u32), payload_len;
        int status;

        if (buf_len == 0)
                return 0;

        total_size = buf_len;

        get_fat_cmd.size = sizeof(struct be_cmd_req_get_fat) + 60 * 1024;
        get_fat_cmd.va = dma_alloc_coherent(&adapter->pdev->dev,
                                            get_fat_cmd.size,
                                            &get_fat_cmd.dma, GFP_ATOMIC);
        if (!get_fat_cmd.va)
                return -ENOMEM;

        spin_lock_bh(&adapter->mcc_lock);

        while (total_size) {
                buf_size = min(total_size, (u32)60 * 1024);
                total_size -= buf_size;

                wrb = wrb_from_mccq(adapter);
                if (!wrb) {
                        status = -EBUSY;
                        goto err;
                }
                req = get_fat_cmd.va;

                payload_len = sizeof(struct be_cmd_req_get_fat) + buf_size;
                be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
                                       OPCODE_COMMON_MANAGE_FAT, payload_len,
                                       wrb, &get_fat_cmd);

                req->fat_operation = cpu_to_le32(RETRIEVE_FAT);
                req->read_log_offset = cpu_to_le32(log_offset);
                req->read_log_length = cpu_to_le32(buf_size);
                req->data_buffer_size = cpu_to_le32(buf_size);

                status = be_mcc_notify_wait(adapter);
                if (!status) {
                        struct be_cmd_resp_get_fat *resp = get_fat_cmd.va;

                        memcpy(buf + offset,
                               resp->data_buffer,
                               le32_to_cpu(resp->read_log_length));
                } else {
                        dev_err(&adapter->pdev->dev, "FAT Table Retrieve error\n");
                        goto err;
                }
                offset += buf_size;
                log_offset += buf_size;
        }
err:
        spin_unlock_bh(&adapter->mcc_lock);
        dma_free_coherent(&adapter->pdev->dev, get_fat_cmd.size,
                          get_fat_cmd.va, get_fat_cmd.dma);
        return status;
}

/* Uses synchronous mcc */
int be_cmd_get_fw_ver(struct be_adapter *adapter)
{
        struct be_mcc_wrb *wrb;
        struct be_cmd_req_get_fw_version *req;
        int status;

        spin_lock_bh(&adapter->mcc_lock);

        wrb = wrb_from_mccq(adapter);
        if (!wrb) {
                status = -EBUSY;
                goto err;
        }

        req = embedded_payload(wrb);

        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
                               OPCODE_COMMON_GET_FW_VERSION, sizeof(*req), wrb,
                               NULL);
        status = be_mcc_notify_wait(adapter);
        if (!status) {
                struct be_cmd_resp_get_fw_version *resp = embedded_payload(wrb);

                strscpy(adapter->fw_ver, resp->firmware_version_string,
                        sizeof(adapter->fw_ver));
                strscpy(adapter->fw_on_flash, resp->fw_on_flash_version_string,
                        sizeof(adapter->fw_on_flash));
        }
err:
        spin_unlock_bh(&adapter->mcc_lock);
        return status;
}

/* set the EQ delay interval of an EQ to specified value
 * Uses async mcc
 */
static int __be_cmd_modify_eqd(struct be_adapter *adapter,
                               struct be_set_eqd *set_eqd, int num)
{
        struct be_mcc_wrb *wrb;
        struct be_cmd_req_modify_eq_delay *req;
        int status = 0, i;

        spin_lock_bh(&adapter->mcc_lock);

        wrb = wrb_from_mccq(adapter);
        if (!wrb) {
                status = -EBUSY;
                goto err;
        }
        req = embedded_payload(wrb);

        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
                               OPCODE_COMMON_MODIFY_EQ_DELAY, sizeof(*req), wrb,
                               NULL);

        req->num_eq = cpu_to_le32(num);
        for (i = 0; i < num; i++) {
                req->set_eqd[i].eq_id = cpu_to_le32(set_eqd[i].eq_id);
                req->set_eqd[i].phase = 0;
                req->set_eqd[i].delay_multiplier =
                                cpu_to_le32(set_eqd[i].delay_multiplier);
        }

        status = be_mcc_notify(adapter);
err:
        spin_unlock_bh(&adapter->mcc_lock);
        return status;
}

int be_cmd_modify_eqd(struct be_adapter *adapter, struct be_set_eqd *set_eqd,
                      int num)
{
        int num_eqs, i = 0;

        while (num) {
                num_eqs = min(num, 8);
                __be_cmd_modify_eqd(adapter, &set_eqd[i], num_eqs);
                i += num_eqs;
                num -= num_eqs;
        }

        return 0;
}

/* Uses synchronous mcc */
int be_cmd_vlan_config(struct be_adapter *adapter, u32 if_id, u16 *vtag_array,
                       u32 num, u32 domain)
{
        struct be_mcc_wrb *wrb;
        struct be_cmd_req_vlan_config *req;
        int status;

        spin_lock_bh(&adapter->mcc_lock);

        wrb = wrb_from_mccq(adapter);
        if (!wrb) {
                status = -EBUSY;
                goto err;
        }
        req = embedded_payload(wrb);

        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
                               OPCODE_COMMON_NTWK_VLAN_CONFIG, sizeof(*req),
                               wrb, NULL);
        req->hdr.domain = domain;

        req->interface_id = if_id;
        req->untagged = BE_IF_FLAGS_UNTAGGED & be_if_cap_flags(adapter) ? 1 : 0;
        req->num_vlan = num;
        memcpy(req->normal_vlan, vtag_array,
               req->num_vlan * sizeof(vtag_array[0]));

        status = be_mcc_notify_wait(adapter);
err:
        spin_unlock_bh(&adapter->mcc_lock);
        return status;
}

static int __be_cmd_rx_filter(struct be_adapter *adapter, u32 flags, u32 value)
{
        struct be_mcc_wrb *wrb;
        struct be_dma_mem *mem = &adapter->rx_filter;
        struct be_cmd_req_rx_filter *req = mem->va;
        int status;

        spin_lock_bh(&adapter->mcc_lock);

        wrb = wrb_from_mccq(adapter);
        if (!wrb) {
                status = -EBUSY;
                goto err;
        }
        memset(req, 0, sizeof(*req));
        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
                               OPCODE_COMMON_NTWK_RX_FILTER, sizeof(*req),
                               wrb, mem);

        req->if_id = cpu_to_le32(adapter->if_handle);
        req->if_flags_mask = cpu_to_le32(flags);
        req->if_flags = (value == ON) ? req->if_flags_mask : 0;

        if (flags & BE_IF_FLAGS_MULTICAST) {
                int i;

                /* Reset mcast promisc mode if already set by setting mask
                 * and not setting flags field
                 */
                req->if_flags_mask |=
                        cpu_to_le32(BE_IF_FLAGS_MCAST_PROMISCUOUS &
                                    be_if_cap_flags(adapter));
                req->mcast_num = cpu_to_le32(adapter->mc_count);
                for (i = 0; i < adapter->mc_count; i++)
                        ether_addr_copy(req->mcast_mac[i].byte,
                                        adapter->mc_list[i].mac);
        }

        status = be_mcc_notify_wait(adapter);
err:
        spin_unlock_bh(&adapter->mcc_lock);
        return status;
}

int be_cmd_rx_filter(struct be_adapter *adapter, u32 flags, u32 value)
{
        struct device *dev = &adapter->pdev->dev;

        if ((flags & be_if_cap_flags(adapter)) != flags) {
                dev_warn(dev, "Cannot set rx filter flags 0x%x\n", flags);
                dev_warn(dev, "Interface is capable of 0x%x flags only\n",
                         be_if_cap_flags(adapter));
        }
        flags &= be_if_cap_flags(adapter);
        if (!flags)
                return -ENOTSUPP;

        return __be_cmd_rx_filter(adapter, flags, value);
}

/* Uses synchronous mcc */
int be_cmd_set_flow_control(struct be_adapter *adapter, u32 tx_fc, u32 rx_fc)
{
        struct be_mcc_wrb *wrb;
        struct be_cmd_req_set_flow_control *req;
        int status;

        if (!be_cmd_allowed(adapter, OPCODE_COMMON_SET_FLOW_CONTROL,
                            CMD_SUBSYSTEM_COMMON))
                return -EPERM;

        spin_lock_bh(&adapter->mcc_lock);

        wrb = wrb_from_mccq(adapter);
        if (!wrb) {
                status = -EBUSY;
                goto err;
        }
        req = embedded_payload(wrb);

        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
                               OPCODE_COMMON_SET_FLOW_CONTROL, sizeof(*req),
                               wrb, NULL);

        req->hdr.version = 1;
        req->tx_flow_control = cpu_to_le16((u16)tx_fc);
        req->rx_flow_control = cpu_to_le16((u16)rx_fc);

        status = be_mcc_notify_wait(adapter);

err:
        spin_unlock_bh(&adapter->mcc_lock);

        if (base_status(status) == MCC_STATUS_FEATURE_NOT_SUPPORTED)
                return  -EOPNOTSUPP;

        return status;
}

/* Uses sync mcc */
int be_cmd_get_flow_control(struct be_adapter *adapter, u32 *tx_fc, u32 *rx_fc)
{
        struct be_mcc_wrb *wrb;
        struct be_cmd_req_get_flow_control *req;
        int status;

        if (!be_cmd_allowed(adapter, OPCODE_COMMON_GET_FLOW_CONTROL,
                            CMD_SUBSYSTEM_COMMON))
                return -EPERM;

        spin_lock_bh(&adapter->mcc_lock);

        wrb = wrb_from_mccq(adapter);
        if (!wrb) {
                status = -EBUSY;
                goto err;
        }
        req = embedded_payload(wrb);

        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
                               OPCODE_COMMON_GET_FLOW_CONTROL, sizeof(*req),
                               wrb, NULL);

        status = be_mcc_notify_wait(adapter);
        if (!status) {
                struct be_cmd_resp_get_flow_control *resp =
                                                embedded_payload(wrb);

                *tx_fc = le16_to_cpu(resp->tx_flow_control);
                *rx_fc = le16_to_cpu(resp->rx_flow_control);
        }

err:
        spin_unlock_bh(&adapter->mcc_lock);
        return status;
}

/* Uses mbox */
int be_cmd_query_fw_cfg(struct be_adapter *adapter)
{
        struct be_mcc_wrb *wrb;
        struct be_cmd_req_query_fw_cfg *req;
        int status;

        if (mutex_lock_interruptible(&adapter->mbox_lock))
                return -1;

        wrb = wrb_from_mbox(adapter);
        req = embedded_payload(wrb);

        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
                               OPCODE_COMMON_QUERY_FIRMWARE_CONFIG,
                               sizeof(*req), wrb, NULL);

        status = be_mbox_notify_wait(adapter);
        if (!status) {
                struct be_cmd_resp_query_fw_cfg *resp = embedded_payload(wrb);

                adapter->port_num = le32_to_cpu(resp->phys_port);
                adapter->function_mode = le32_to_cpu(resp->function_mode);
                adapter->function_caps = le32_to_cpu(resp->function_caps);
                adapter->asic_rev = le32_to_cpu(resp->asic_revision) & 0xFF;
                dev_info(&adapter->pdev->dev,
                         "FW config: function_mode=0x%x, function_caps=0x%x\n",
                         adapter->function_mode, adapter->function_caps);
        }

        mutex_unlock(&adapter->mbox_lock);
        return status;
}

/* Uses mbox */
int be_cmd_reset_function(struct be_adapter *adapter)
{
        struct be_mcc_wrb *wrb;
        struct be_cmd_req_hdr *req;
        int status;

        if (lancer_chip(adapter)) {
                iowrite32(SLI_PORT_CONTROL_IP_MASK,
                          adapter->db + SLIPORT_CONTROL_OFFSET);
                status = lancer_wait_ready(adapter);
                if (status)
                        dev_err(&adapter->pdev->dev,
                                "Adapter in non recoverable error\n");
                return status;
        }

        if (mutex_lock_interruptible(&adapter->mbox_lock))
                return -1;

        wrb = wrb_from_mbox(adapter);
        req = embedded_payload(wrb);

        be_wrb_cmd_hdr_prepare(req, CMD_SUBSYSTEM_COMMON,
                               OPCODE_COMMON_FUNCTION_RESET, sizeof(*req), wrb,
                               NULL);

        status = be_mbox_notify_wait(adapter);

        mutex_unlock(&adapter->mbox_lock);
        return status;
}

int be_cmd_rss_config(struct be_adapter *adapter, u8 *rsstable,
                      u32 rss_hash_opts, u16 table_size, const u8 *rss_hkey)
{
        struct be_mcc_wrb *wrb;
        struct be_cmd_req_rss_config *req;
        int status;

        if (!(be_if_cap_flags(adapter) & BE_IF_FLAGS_RSS))
                return 0;

        spin_lock_bh(&adapter->mcc_lock);

        wrb = wrb_from_mccq(adapter);
        if (!wrb) {
                status = -EBUSY;
                goto err;
        }
        req = embedded_payload(wrb);

        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH,
                               OPCODE_ETH_RSS_CONFIG, sizeof(*req), wrb, NULL);

        req->if_id = cpu_to_le32(adapter->if_handle);
        req->enable_rss = cpu_to_le16(rss_hash_opts);
        req->cpu_table_size_log2 = cpu_to_le16(fls(table_size) - 1);

        if (!BEx_chip(adapter))
                req->hdr.version = 1;

        memcpy(req->cpu_table, rsstable, table_size);
        memcpy(req->hash, rss_hkey, RSS_HASH_KEY_LEN);
        be_dws_cpu_to_le(req->hash, sizeof(req->hash));

        status = be_mcc_notify_wait(adapter);
err:
        spin_unlock_bh(&adapter->mcc_lock);
        return status;
}

/* Uses sync mcc */
int be_cmd_set_beacon_state(struct be_adapter *adapter, u8 port_num,
                            u8 bcn, u8 sts, u8 state)
{
        struct be_mcc_wrb *wrb;
        struct be_cmd_req_enable_disable_beacon *req;
        int status;

        spin_lock_bh(&adapter->mcc_lock);

        wrb = wrb_from_mccq(adapter);
        if (!wrb) {
                status = -EBUSY;
                goto err;
        }
        req = embedded_payload(wrb);

        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
                               OPCODE_COMMON_ENABLE_DISABLE_BEACON,
                               sizeof(*req), wrb, NULL);

        req->port_num = port_num;
        req->beacon_state = state;
        req->beacon_duration = bcn;
        req->status_duration = sts;

        status = be_mcc_notify_wait(adapter);

err:
        spin_unlock_bh(&adapter->mcc_lock);
        return status;
}

/* Uses sync mcc */
int be_cmd_get_beacon_state(struct be_adapter *adapter, u8 port_num, u32 *state)
{
        struct be_mcc_wrb *wrb;
        struct be_cmd_req_get_beacon_state *req;
        int status;

        spin_lock_bh(&adapter->mcc_lock);

        wrb = wrb_from_mccq(adapter);
        if (!wrb) {
                status = -EBUSY;
                goto err;
        }
        req = embedded_payload(wrb);

        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
                               OPCODE_COMMON_GET_BEACON_STATE, sizeof(*req),
                               wrb, NULL);

        req->port_num = port_num;

        status = be_mcc_notify_wait(adapter);
        if (!status) {
                struct be_cmd_resp_get_beacon_state *resp =
                                                embedded_payload(wrb);

                *state = resp->beacon_state;
        }

err:
        spin_unlock_bh(&adapter->mcc_lock);
        return status;
}

/* Uses sync mcc */
int be_cmd_read_port_transceiver_data(struct be_adapter *adapter,
                                      u8 page_num, u32 off, u32 len, u8 *data)
{
        struct be_dma_mem cmd;
        struct be_mcc_wrb *wrb;
        struct be_cmd_req_port_type *req;
        int status;

        if (page_num > TR_PAGE_A2)
                return -EINVAL;

        cmd.size = sizeof(struct be_cmd_resp_port_type);
        cmd.va = dma_alloc_coherent(&adapter->pdev->dev, cmd.size, &cmd.dma,
                                    GFP_ATOMIC);
        if (!cmd.va) {
                dev_err(&adapter->pdev->dev, "Memory allocation failed\n");
                return -ENOMEM;
        }

        spin_lock_bh(&adapter->mcc_lock);

        wrb = wrb_from_mccq(adapter);
        if (!wrb) {
                status = -EBUSY;
                goto err;
        }
        req = cmd.va;

        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
                               OPCODE_COMMON_READ_TRANSRECV_DATA,
                               cmd.size, wrb, &cmd);

        req->port = cpu_to_le32(adapter->hba_port_num);
        req->page_num = cpu_to_le32(page_num);
        status = be_mcc_notify_wait(adapter);
        if (!status && len > 0) {
                struct be_cmd_resp_port_type *resp = cmd.va;

                memcpy(data, resp->page_data + off, len);
        }
err:
        spin_unlock_bh(&adapter->mcc_lock);
        dma_free_coherent(&adapter->pdev->dev, cmd.size, cmd.va, cmd.dma);
        return status;
}

static int lancer_cmd_write_object(struct be_adapter *adapter,
                                   struct be_dma_mem *cmd, u32 data_size,
                                   u32 data_offset, const char *obj_name,
                                   u32 *data_written, u8 *change_status,
                                   u8 *addn_status)
{
        struct be_mcc_wrb *wrb;
        struct lancer_cmd_req_write_object *req;
        struct lancer_cmd_resp_write_object *resp;
        void *ctxt = NULL;
        int status;

        spin_lock_bh(&adapter->mcc_lock);
        adapter->flash_status = 0;

        wrb = wrb_from_mccq(adapter);
        if (!wrb) {
                status = -EBUSY;
                goto err_unlock;
        }

        req = embedded_payload(wrb);

        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
                               OPCODE_COMMON_WRITE_OBJECT,
                               sizeof(struct lancer_cmd_req_write_object), wrb,
                               NULL);

        ctxt = &req->context;
        AMAP_SET_BITS(struct amap_lancer_write_obj_context,
                      write_length, ctxt, data_size);

        if (data_size == 0)
                AMAP_SET_BITS(struct amap_lancer_write_obj_context,
                              eof, ctxt, 1);
        else
                AMAP_SET_BITS(struct amap_lancer_write_obj_context,
                              eof, ctxt, 0);

        be_dws_cpu_to_le(ctxt, sizeof(req->context));
        req->write_offset = cpu_to_le32(data_offset);
        strscpy(req->object_name, obj_name, sizeof(req->object_name));
        req->descriptor_count = cpu_to_le32(1);
        req->buf_len = cpu_to_le32(data_size);
        req->addr_low = cpu_to_le32((cmd->dma +
                                     sizeof(struct lancer_cmd_req_write_object))
                                    & 0xFFFFFFFF);
        req->addr_high = cpu_to_le32(upper_32_bits(cmd->dma +
                                sizeof(struct lancer_cmd_req_write_object)));

        status = be_mcc_notify(adapter);
        if (status)
                goto err_unlock;

        spin_unlock_bh(&adapter->mcc_lock);

        if (!wait_for_completion_timeout(&adapter->et_cmd_compl,
                                         msecs_to_jiffies(60000)))
                status = -ETIMEDOUT;
        else
                status = adapter->flash_status;

        resp = embedded_payload(wrb);
        if (!status) {
                *data_written = le32_to_cpu(resp->actual_write_len);
                *change_status = resp->change_status;
        } else {
                *addn_status = resp->additional_status;
        }

        return status;

err_unlock:
        spin_unlock_bh(&adapter->mcc_lock);
        return status;
}

int be_cmd_query_cable_type(struct be_adapter *adapter)
{
        u8 page_data[PAGE_DATA_LEN];
        int status;

        status = be_cmd_read_port_transceiver_data(adapter, TR_PAGE_A0,
                                                   0, PAGE_DATA_LEN, page_data);
        if (!status) {
                switch (adapter->phy.interface_type) {
                case PHY_TYPE_QSFP:
                        adapter->phy.cable_type =
                                page_data[QSFP_PLUS_CABLE_TYPE_OFFSET];
                        break;
                case PHY_TYPE_SFP_PLUS_10GB:
                        adapter->phy.cable_type =
                                page_data[SFP_PLUS_CABLE_TYPE_OFFSET];
                        break;
                default:
                        adapter->phy.cable_type = 0;
                        break;
                }
        }
        return status;
}

int be_cmd_query_sfp_info(struct be_adapter *adapter)
{
        u8 page_data[PAGE_DATA_LEN];
        int status;

        status = be_cmd_read_port_transceiver_data(adapter, TR_PAGE_A0,
                                                   0, PAGE_DATA_LEN, page_data);
        if (!status) {
                strscpy(adapter->phy.vendor_name, page_data +
                        SFP_VENDOR_NAME_OFFSET, SFP_VENDOR_NAME_LEN - 1);
                strscpy(adapter->phy.vendor_pn,
                        page_data + SFP_VENDOR_PN_OFFSET,
                        SFP_VENDOR_NAME_LEN - 1);
        }

        return status;
}

static int lancer_cmd_delete_object(struct be_adapter *adapter,
                                    const char *obj_name)
{
        struct lancer_cmd_req_delete_object *req;
        struct be_mcc_wrb *wrb;
        int status;

        spin_lock_bh(&adapter->mcc_lock);

        wrb = wrb_from_mccq(adapter);
        if (!wrb) {
                status = -EBUSY;
                goto err;
        }

        req = embedded_payload(wrb);

        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
                               OPCODE_COMMON_DELETE_OBJECT,
                               sizeof(*req), wrb, NULL);

        strscpy(req->object_name, obj_name, sizeof(req->object_name));

        status = be_mcc_notify_wait(adapter);
err:
        spin_unlock_bh(&adapter->mcc_lock);
        return status;
}

int lancer_cmd_read_object(struct be_adapter *adapter, struct be_dma_mem *cmd,
                           u32 data_size, u32 data_offset, const char *obj_name,
                           u32 *data_read, u32 *eof, u8 *addn_status)
{
        struct be_mcc_wrb *wrb;
        struct lancer_cmd_req_read_object *req;
        struct lancer_cmd_resp_read_object *resp;
        int status;

        spin_lock_bh(&adapter->mcc_lock);

        wrb = wrb_from_mccq(adapter);
        if (!wrb) {
                status = -EBUSY;
                goto err_unlock;
        }

        req = embedded_payload(wrb);

        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
                               OPCODE_COMMON_READ_OBJECT,
                               sizeof(struct lancer_cmd_req_read_object), wrb,
                               NULL);

        req->desired_read_len = cpu_to_le32(data_size);
        req->read_offset = cpu_to_le32(data_offset);
        strcpy(req->object_name, obj_name);
        req->descriptor_count = cpu_to_le32(1);
        req->buf_len = cpu_to_le32(data_size);
        req->addr_low = cpu_to_le32((cmd->dma & 0xFFFFFFFF));
        req->addr_high = cpu_to_le32(upper_32_bits(cmd->dma));

        status = be_mcc_notify_wait(adapter);

        resp = embedded_payload(wrb);
        if (!status) {
                *data_read = le32_to_cpu(resp->actual_read_len);
                *eof = le32_to_cpu(resp->eof);
        } else {
                *addn_status = resp->additional_status;
        }

err_unlock:
        spin_unlock_bh(&adapter->mcc_lock);
        return status;
}

static int be_cmd_write_flashrom(struct be_adapter *adapter,
                                 struct be_dma_mem *cmd, u32 flash_type,
                                 u32 flash_opcode, u32 img_offset, u32 buf_size)
{
        struct be_mcc_wrb *wrb;
        struct be_cmd_write_flashrom *req;
        int status;

        spin_lock_bh(&adapter->mcc_lock);
        adapter->flash_status = 0;

        wrb = wrb_from_mccq(adapter);
        if (!wrb) {
                status = -EBUSY;
                goto err_unlock;
        }
        req = cmd->va;

        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
                               OPCODE_COMMON_WRITE_FLASHROM, cmd->size, wrb,
                               cmd);

        req->params.op_type = cpu_to_le32(flash_type);
        if (flash_type == OPTYPE_OFFSET_SPECIFIED)
                req->params.offset = cpu_to_le32(img_offset);

        req->params.op_code = cpu_to_le32(flash_opcode);
        req->params.data_buf_size = cpu_to_le32(buf_size);

        status = be_mcc_notify(adapter);
        if (status)
                goto err_unlock;

        spin_unlock_bh(&adapter->mcc_lock);

        if (!wait_for_completion_timeout(&adapter->et_cmd_compl,
                                         msecs_to_jiffies(40000)))
                status = -ETIMEDOUT;
        else
                status = adapter->flash_status;

        return status;

err_unlock:
        spin_unlock_bh(&adapter->mcc_lock);
        return status;
}

static int be_cmd_get_flash_crc(struct be_adapter *adapter, u8 *flashed_crc,
                                u16 img_optype, u32 img_offset, u32 crc_offset)
{
        struct be_cmd_read_flash_crc *req;
        struct be_mcc_wrb *wrb;
        int status;

        spin_lock_bh(&adapter->mcc_lock);

        wrb = wrb_from_mccq(adapter);
        if (!wrb) {
                status = -EBUSY;
                goto err;
        }
        req = embedded_payload(wrb);

        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
                               OPCODE_COMMON_READ_FLASHROM, sizeof(*req),
                               wrb, NULL);

        req->params.op_type = cpu_to_le32(img_optype);
        if (img_optype == OPTYPE_OFFSET_SPECIFIED)
                req->params.offset = cpu_to_le32(img_offset + crc_offset);
        else
                req->params.offset = cpu_to_le32(crc_offset);

        req->params.op_code = cpu_to_le32(FLASHROM_OPER_REPORT);
        req->params.data_buf_size = cpu_to_le32(0x4);

        status = be_mcc_notify_wait(adapter);
        if (!status)
                memcpy(flashed_crc, req->crc, 4);

err:
        spin_unlock_bh(&adapter->mcc_lock);
        return status;
}

/*
 * Since the cookie is text, add a parsing-skipped space to keep it from
 * ever being matched on storage holding this source file.
 */
static const char flash_cookie[32] __nonstring = "*** SE FLAS" "H DIRECTORY *** ";

static bool phy_flashing_required(struct be_adapter *adapter)
{
        return (adapter->phy.phy_type == PHY_TYPE_TN_8022 &&
                adapter->phy.interface_type == PHY_TYPE_BASET_10GB);
}

static bool is_comp_in_ufi(struct be_adapter *adapter,
                           struct flash_section_info *fsec, int type)
{
        int i = 0, img_type = 0;
        struct flash_section_info_g2 *fsec_g2 = NULL;

        if (BE2_chip(adapter))
                fsec_g2 = (struct flash_section_info_g2 *)fsec;

        for (i = 0; i < MAX_FLASH_COMP; i++) {
                if (fsec_g2)
                        img_type = le32_to_cpu(fsec_g2->fsec_entry[i].type);
                else
                        img_type = le32_to_cpu(fsec->fsec_entry[i].type);

                if (img_type == type)
                        return true;
        }
        return false;
}

static struct flash_section_info *get_fsec_info(struct be_adapter *adapter,
                                                int header_size,
                                                const struct firmware *fw)
{
        struct flash_section_info *fsec = NULL;
        const u8 *p = fw->data;

        p += header_size;
        while (p < (fw->data + fw->size)) {
                fsec = (struct flash_section_info *)p;
                if (!memcmp(flash_cookie, fsec->cookie, sizeof(flash_cookie)))
                        return fsec;
                p += 32;
        }
        return NULL;
}

static int be_check_flash_crc(struct be_adapter *adapter, const u8 *p,
                              u32 img_offset, u32 img_size, int hdr_size,
                              u16 img_optype, bool *crc_match)
{
        u32 crc_offset;
        int status;
        u8 crc[4];

        status = be_cmd_get_flash_crc(adapter, crc, img_optype, img_offset,
                                      img_size - 4);
        if (status)
                return status;

        crc_offset = hdr_size + img_offset + img_size - 4;

        /* Skip flashing, if crc of flashed region matches */
        if (!memcmp(crc, p + crc_offset, 4))
                *crc_match = true;
        else
                *crc_match = false;

        return status;
}

static int be_flash(struct be_adapter *adapter, const u8 *img,
                    struct be_dma_mem *flash_cmd, int optype, int img_size,
                    u32 img_offset)
{
        u32 flash_op, num_bytes, total_bytes = img_size, bytes_sent = 0;
        struct be_cmd_write_flashrom *req = flash_cmd->va;
        int status;

        while (total_bytes) {
                num_bytes = min_t(u32, 32 * 1024, total_bytes);

                total_bytes -= num_bytes;

                if (!total_bytes) {
                        if (optype == OPTYPE_PHY_FW)
                                flash_op = FLASHROM_OPER_PHY_FLASH;
                        else
                                flash_op = FLASHROM_OPER_FLASH;
                } else {
                        if (optype == OPTYPE_PHY_FW)
                                flash_op = FLASHROM_OPER_PHY_SAVE;
                        else
                                flash_op = FLASHROM_OPER_SAVE;
                }

                memcpy(req->data_buf, img, num_bytes);
                img += num_bytes;
                status = be_cmd_write_flashrom(adapter, flash_cmd, optype,
                                               flash_op, img_offset +
                                               bytes_sent, num_bytes);
                if (base_status(status) == MCC_STATUS_ILLEGAL_REQUEST &&
                    optype == OPTYPE_PHY_FW)
                        break;
                else if (status)
                        return status;

                bytes_sent += num_bytes;
        }
        return 0;
}

#define NCSI_UPDATE_LOG "NCSI section update is not supported in FW ver %s\n"
static bool be_fw_ncsi_supported(char *ver)
{
        int v1[4] = {3, 102, 148, 0}; /* Min ver that supports NCSI FW */
        int v2[4];
        int i;

        if (sscanf(ver, "%d.%d.%d.%d", &v2[0], &v2[1], &v2[2], &v2[3]) != 4)
                return false;

        for (i = 0; i < 4; i++) {
                if (v1[i] < v2[i])
                        return true;
                else if (v1[i] > v2[i])
                        return false;
        }

        return true;
}

/* For BE2, BE3 and BE3-R */
static int be_flash_BEx(struct be_adapter *adapter,
                        const struct firmware *fw,
                        struct be_dma_mem *flash_cmd, int num_of_images)
{
        int img_hdrs_size = (num_of_images * sizeof(struct image_hdr));
        struct device *dev = &adapter->pdev->dev;
        struct flash_section_info *fsec = NULL;
        int status, i, filehdr_size, num_comp;
        const struct flash_comp *pflashcomp;
        bool crc_match;
        const u8 *p;

        static const struct flash_comp gen3_flash_types[] = {
                { BE3_ISCSI_PRIMARY_IMAGE_START, OPTYPE_ISCSI_ACTIVE,
                        BE3_COMP_MAX_SIZE, IMAGE_FIRMWARE_ISCSI},
                { BE3_REDBOOT_START, OPTYPE_REDBOOT,
                        BE3_REDBOOT_COMP_MAX_SIZE, IMAGE_BOOT_CODE},
                { BE3_ISCSI_BIOS_START, OPTYPE_BIOS,
                        BE3_BIOS_COMP_MAX_SIZE, IMAGE_OPTION_ROM_ISCSI},
                { BE3_PXE_BIOS_START, OPTYPE_PXE_BIOS,
                        BE3_BIOS_COMP_MAX_SIZE, IMAGE_OPTION_ROM_PXE},
                { BE3_FCOE_BIOS_START, OPTYPE_FCOE_BIOS,
                        BE3_BIOS_COMP_MAX_SIZE, IMAGE_OPTION_ROM_FCOE},
                { BE3_ISCSI_BACKUP_IMAGE_START, OPTYPE_ISCSI_BACKUP,
                        BE3_COMP_MAX_SIZE, IMAGE_FIRMWARE_BACKUP_ISCSI},
                { BE3_FCOE_PRIMARY_IMAGE_START, OPTYPE_FCOE_FW_ACTIVE,
                        BE3_COMP_MAX_SIZE, IMAGE_FIRMWARE_FCOE},
                { BE3_FCOE_BACKUP_IMAGE_START, OPTYPE_FCOE_FW_BACKUP,
                        BE3_COMP_MAX_SIZE, IMAGE_FIRMWARE_BACKUP_FCOE},
                { BE3_NCSI_START, OPTYPE_NCSI_FW,
                        BE3_NCSI_COMP_MAX_SIZE, IMAGE_NCSI},
                { BE3_PHY_FW_START, OPTYPE_PHY_FW,
                        BE3_PHY_FW_COMP_MAX_SIZE, IMAGE_FIRMWARE_PHY}
        };

        static const struct flash_comp gen2_flash_types[] = {
                { BE2_ISCSI_PRIMARY_IMAGE_START, OPTYPE_ISCSI_ACTIVE,
                        BE2_COMP_MAX_SIZE, IMAGE_FIRMWARE_ISCSI},
                { BE2_REDBOOT_START, OPTYPE_REDBOOT,
                        BE2_REDBOOT_COMP_MAX_SIZE, IMAGE_BOOT_CODE},
                { BE2_ISCSI_BIOS_START, OPTYPE_BIOS,
                        BE2_BIOS_COMP_MAX_SIZE, IMAGE_OPTION_ROM_ISCSI},
                { BE2_PXE_BIOS_START, OPTYPE_PXE_BIOS,
                        BE2_BIOS_COMP_MAX_SIZE, IMAGE_OPTION_ROM_PXE},
                { BE2_FCOE_BIOS_START, OPTYPE_FCOE_BIOS,
                        BE2_BIOS_COMP_MAX_SIZE, IMAGE_OPTION_ROM_FCOE},
                { BE2_ISCSI_BACKUP_IMAGE_START, OPTYPE_ISCSI_BACKUP,
                        BE2_COMP_MAX_SIZE, IMAGE_FIRMWARE_BACKUP_ISCSI},
                { BE2_FCOE_PRIMARY_IMAGE_START, OPTYPE_FCOE_FW_ACTIVE,
                        BE2_COMP_MAX_SIZE, IMAGE_FIRMWARE_FCOE},
                { BE2_FCOE_BACKUP_IMAGE_START, OPTYPE_FCOE_FW_BACKUP,
                         BE2_COMP_MAX_SIZE, IMAGE_FIRMWARE_BACKUP_FCOE}
        };

        if (BE3_chip(adapter)) {
                pflashcomp = gen3_flash_types;
                filehdr_size = sizeof(struct flash_file_hdr_g3);
                num_comp = ARRAY_SIZE(gen3_flash_types);
        } else {
                pflashcomp = gen2_flash_types;
                filehdr_size = sizeof(struct flash_file_hdr_g2);
                num_comp = ARRAY_SIZE(gen2_flash_types);
                img_hdrs_size = 0;
        }

        /* Get flash section info*/
        fsec = get_fsec_info(adapter, filehdr_size + img_hdrs_size, fw);
        if (!fsec) {
                dev_err(dev, "Invalid Cookie. FW image may be corrupted\n");
                return -1;
        }
        for (i = 0; i < num_comp; i++) {
                if (!is_comp_in_ufi(adapter, fsec, pflashcomp[i].img_type))
                        continue;

                if ((pflashcomp[i].optype == OPTYPE_NCSI_FW) &&
                    !be_fw_ncsi_supported(adapter->fw_ver)) {
                        dev_info(dev, NCSI_UPDATE_LOG, adapter->fw_ver);
                        continue;
                }

                if (pflashcomp[i].optype == OPTYPE_PHY_FW  &&
                    !phy_flashing_required(adapter))
                        continue;

                if (pflashcomp[i].optype == OPTYPE_REDBOOT) {
                        status = be_check_flash_crc(adapter, fw->data,
                                                    pflashcomp[i].offset,
                                                    pflashcomp[i].size,
                                                    filehdr_size +
                                                    img_hdrs_size,
                                                    OPTYPE_REDBOOT, &crc_match);
                        if (status) {
                                dev_err(dev,
                                        "Could not get CRC for 0x%x region\n",
                                        pflashcomp[i].optype);
                                continue;
                        }

                        if (crc_match)
                                continue;
                }

                p = fw->data + filehdr_size + pflashcomp[i].offset +
                        img_hdrs_size;
                if (p + pflashcomp[i].size > fw->data + fw->size)
                        return -1;

                status = be_flash(adapter, p, flash_cmd, pflashcomp[i].optype,
                                  pflashcomp[i].size, 0);
                if (status) {
                        dev_err(dev, "Flashing section type 0x%x failed\n",
                                pflashcomp[i].img_type);
                        return status;
                }
        }
        return 0;
}

static u16 be_get_img_optype(struct flash_section_entry fsec_entry)
{
        u32 img_type = le32_to_cpu(fsec_entry.type);
        u16 img_optype = le16_to_cpu(fsec_entry.optype);

        if (img_optype != 0xFFFF)
                return img_optype;

        switch (img_type) {
        case IMAGE_FIRMWARE_ISCSI:
                img_optype = OPTYPE_ISCSI_ACTIVE;
                break;
        case IMAGE_BOOT_CODE:
                img_optype = OPTYPE_REDBOOT;
                break;
        case IMAGE_OPTION_ROM_ISCSI:
                img_optype = OPTYPE_BIOS;
                break;
        case IMAGE_OPTION_ROM_PXE:
                img_optype = OPTYPE_PXE_BIOS;
                break;
        case IMAGE_OPTION_ROM_FCOE:
                img_optype = OPTYPE_FCOE_BIOS;
                break;
        case IMAGE_FIRMWARE_BACKUP_ISCSI:
                img_optype = OPTYPE_ISCSI_BACKUP;
                break;
        case IMAGE_NCSI:
                img_optype = OPTYPE_NCSI_FW;
                break;
        case IMAGE_FLASHISM_JUMPVECTOR:
                img_optype = OPTYPE_FLASHISM_JUMPVECTOR;
                break;
        case IMAGE_FIRMWARE_PHY:
                img_optype = OPTYPE_SH_PHY_FW;
                break;
        case IMAGE_REDBOOT_DIR:
                img_optype = OPTYPE_REDBOOT_DIR;
                break;
        case IMAGE_REDBOOT_CONFIG:
                img_optype = OPTYPE_REDBOOT_CONFIG;
                break;
        case IMAGE_UFI_DIR:
                img_optype = OPTYPE_UFI_DIR;
                break;
        default:
                break;
        }

        return img_optype;
}

static int be_flash_skyhawk(struct be_adapter *adapter,
                            const struct firmware *fw,
                            struct be_dma_mem *flash_cmd, int num_of_images)
{
        int img_hdrs_size = num_of_images * sizeof(struct image_hdr);
        bool crc_match, old_fw_img, flash_offset_support = true;
        struct device *dev = &adapter->pdev->dev;
        struct flash_section_info *fsec = NULL;
        u32 img_offset, img_size, img_type;
        u16 img_optype, flash_optype;
        int status, i, filehdr_size;
        const u8 *p;

        filehdr_size = sizeof(struct flash_file_hdr_g3);
        fsec = get_fsec_info(adapter, filehdr_size + img_hdrs_size, fw);
        if (!fsec) {
                dev_err(dev, "Invalid Cookie. FW image may be corrupted\n");
                return -EINVAL;
        }

retry_flash:
        for (i = 0; i < le32_to_cpu(fsec->fsec_hdr.num_images); i++) {
                img_offset = le32_to_cpu(fsec->fsec_entry[i].offset);
                img_size   = le32_to_cpu(fsec->fsec_entry[i].pad_size);
                img_type   = le32_to_cpu(fsec->fsec_entry[i].type);
                img_optype = be_get_img_optype(fsec->fsec_entry[i]);
                old_fw_img = fsec->fsec_entry[i].optype == 0xFFFF;

                if (img_optype == 0xFFFF)
                        continue;

                if (flash_offset_support)
                        flash_optype = OPTYPE_OFFSET_SPECIFIED;
                else
                        flash_optype = img_optype;

                /* Don't bother verifying CRC if an old FW image is being
                 * flashed
                 */
                if (old_fw_img)
                        goto flash;

                status = be_check_flash_crc(adapter, fw->data, img_offset,
                                            img_size, filehdr_size +
                                            img_hdrs_size, flash_optype,
                                            &crc_match);
                if (base_status(status) == MCC_STATUS_ILLEGAL_REQUEST ||
                    base_status(status) == MCC_STATUS_ILLEGAL_FIELD) {
                        /* The current FW image on the card does not support
                         * OFFSET based flashing. Retry using older mechanism
                         * of OPTYPE based flashing
                         */
                        if (flash_optype == OPTYPE_OFFSET_SPECIFIED) {
                                flash_offset_support = false;
                                goto retry_flash;
                        }

                        /* The current FW image on the card does not recognize
                         * the new FLASH op_type. The FW download is partially
                         * complete. Reboot the server now to enable FW image
                         * to recognize the new FLASH op_type. To complete the
                         * remaining process, download the same FW again after
                         * the reboot.
                         */
                        dev_err(dev, "Flash incomplete. Reset the server\n");
                        dev_err(dev, "Download FW image again after reset\n");
                        return -EAGAIN;
                } else if (status) {
                        dev_err(dev, "Could not get CRC for 0x%x region\n",
                                img_optype);
                        return -EFAULT;
                }

                if (crc_match)
                        continue;

flash:
                p = fw->data + filehdr_size + img_offset + img_hdrs_size;
                if (p + img_size > fw->data + fw->size)
                        return -1;

                status = be_flash(adapter, p, flash_cmd, flash_optype, img_size,
                                  img_offset);

                /* The current FW image on the card does not support OFFSET
                 * based flashing. Retry using older mechanism of OPTYPE based
                 * flashing
                 */
                if (base_status(status) == MCC_STATUS_ILLEGAL_FIELD &&
                    flash_optype == OPTYPE_OFFSET_SPECIFIED) {
                        flash_offset_support = false;
                        goto retry_flash;
                }

                /* For old FW images ignore ILLEGAL_FIELD error or errors on
                 * UFI_DIR region
                 */
                if (old_fw_img &&
                    (base_status(status) == MCC_STATUS_ILLEGAL_FIELD ||
                     (img_optype == OPTYPE_UFI_DIR &&
                      base_status(status) == MCC_STATUS_FAILED))) {
                        continue;
                } else if (status) {
                        dev_err(dev, "Flashing section type 0x%x failed\n",
                                img_type);

                        switch (addl_status(status)) {
                        case MCC_ADDL_STATUS_MISSING_SIGNATURE:
                                dev_err(dev,
                                        "Digital signature missing in FW\n");
                                return -EINVAL;
                        case MCC_ADDL_STATUS_INVALID_SIGNATURE:
                                dev_err(dev,
                                        "Invalid digital signature in FW\n");
                                return -EINVAL;
                        default:
                                return -EFAULT;
                        }
                }
        }
        return 0;
}

int lancer_fw_download(struct be_adapter *adapter,
                       const struct firmware *fw)
{
        struct device *dev = &adapter->pdev->dev;
        struct be_dma_mem flash_cmd;
        const u8 *data_ptr = NULL;
        u8 *dest_image_ptr = NULL;
        size_t image_size = 0;
        u32 chunk_size = 0;
        u32 data_written = 0;
        u32 offset = 0;
        int status = 0;
        u8 add_status = 0;
        u8 change_status;

        if (!IS_ALIGNED(fw->size, sizeof(u32))) {
                dev_err(dev, "FW image size should be multiple of 4\n");
                return -EINVAL;
        }

        flash_cmd.size = sizeof(struct lancer_cmd_req_write_object)
                                + LANCER_FW_DOWNLOAD_CHUNK;
        flash_cmd.va = dma_alloc_coherent(dev, flash_cmd.size, &flash_cmd.dma,
                                          GFP_KERNEL);
        if (!flash_cmd.va)
                return -ENOMEM;

        dest_image_ptr = flash_cmd.va +
                                sizeof(struct lancer_cmd_req_write_object);
        image_size = fw->size;
        data_ptr = fw->data;

        while (image_size) {
                chunk_size = min_t(u32, image_size, LANCER_FW_DOWNLOAD_CHUNK);

                /* Copy the image chunk content. */
                memcpy(dest_image_ptr, data_ptr, chunk_size);

                status = lancer_cmd_write_object(adapter, &flash_cmd,
                                                 chunk_size, offset,
                                                 LANCER_FW_DOWNLOAD_LOCATION,
                                                 &data_written, &change_status,
                                                 &add_status);
                if (status)
                        break;

                offset += data_written;
                data_ptr += data_written;
                image_size -= data_written;
        }

        if (!status) {
                /* Commit the FW written */
                status = lancer_cmd_write_object(adapter, &flash_cmd,
                                                 0, offset,
                                                 LANCER_FW_DOWNLOAD_LOCATION,
                                                 &data_written, &change_status,
                                                 &add_status);
        }

        dma_free_coherent(dev, flash_cmd.size, flash_cmd.va, flash_cmd.dma);
        if (status) {
                dev_err(dev, "Firmware load error\n");
                return be_cmd_status(status);
        }

        dev_info(dev, "Firmware flashed successfully\n");

        if (change_status == LANCER_FW_RESET_NEEDED) {
                dev_info(dev, "Resetting adapter to activate new FW\n");
                status = lancer_physdev_ctrl(adapter,
                                             PHYSDEV_CONTROL_FW_RESET_MASK);
                if (status) {
                        dev_err(dev, "Adapter busy, could not reset FW\n");
                        dev_err(dev, "Reboot server to activate new FW\n");
                }
        } else if (change_status != LANCER_NO_RESET_NEEDED) {
                dev_info(dev, "Reboot server to activate new FW\n");
        }

        return 0;
}

/* Check if the flash image file is compatible with the adapter that
 * is being flashed.
 */
static bool be_check_ufi_compatibility(struct be_adapter *adapter,
                                       struct flash_file_hdr_g3 *fhdr)
{
        if (!fhdr) {
                dev_err(&adapter->pdev->dev, "Invalid FW UFI file");
                return false;
        }

        /* First letter of the build version is used to identify
         * which chip this image file is meant for.
         */
        switch (fhdr->build[0]) {
        case BLD_STR_UFI_TYPE_SH:
                if (!skyhawk_chip(adapter))
                        return false;
                break;
        case BLD_STR_UFI_TYPE_BE3:
                if (!BE3_chip(adapter))
                        return false;
                break;
        case BLD_STR_UFI_TYPE_BE2:
                if (!BE2_chip(adapter))
                        return false;
                break;
        default:
                return false;
        }

        /* In BE3 FW images the "asic_type_rev" field doesn't track the
         * asic_rev of the chips it is compatible with.
         * When asic_type_rev is 0 the image is compatible only with
         * pre-BE3-R chips (asic_rev < 0x10)
         */
        if (BEx_chip(adapter) && fhdr->asic_type_rev == 0)
                return adapter->asic_rev < 0x10;
        else
                return (fhdr->asic_type_rev >= adapter->asic_rev);
}

int be_fw_download(struct be_adapter *adapter, const struct firmware *fw)
{
        struct device *dev = &adapter->pdev->dev;
        struct flash_file_hdr_g3 *fhdr3;
        struct image_hdr *img_hdr_ptr;
        int status = 0, i, num_imgs;
        struct be_dma_mem flash_cmd;

        fhdr3 = (struct flash_file_hdr_g3 *)fw->data;
        if (!be_check_ufi_compatibility(adapter, fhdr3)) {
                dev_err(dev, "Flash image is not compatible with adapter\n");
                return -EINVAL;
        }

        flash_cmd.size = sizeof(struct be_cmd_write_flashrom);
        flash_cmd.va = dma_alloc_coherent(dev, flash_cmd.size, &flash_cmd.dma,
                                          GFP_KERNEL);
        if (!flash_cmd.va)
                return -ENOMEM;

        num_imgs = le32_to_cpu(fhdr3->num_imgs);
        for (i = 0; i < num_imgs; i++) {
                img_hdr_ptr = (struct image_hdr *)(fw->data +
                                (sizeof(struct flash_file_hdr_g3) +
                                 i * sizeof(struct image_hdr)));
                if (!BE2_chip(adapter) &&
                    le32_to_cpu(img_hdr_ptr->imageid) != 1)
                        continue;

                if (skyhawk_chip(adapter))
                        status = be_flash_skyhawk(adapter, fw, &flash_cmd,
                                                  num_imgs);
                else
                        status = be_flash_BEx(adapter, fw, &flash_cmd,
                                              num_imgs);
        }

        dma_free_coherent(dev, flash_cmd.size, flash_cmd.va, flash_cmd.dma);
        if (!status)
                dev_info(dev, "Firmware flashed successfully\n");

        return status;
}

int be_cmd_enable_magic_wol(struct be_adapter *adapter, u8 *mac,
                            struct be_dma_mem *nonemb_cmd)
{
        struct be_mcc_wrb *wrb;
        struct be_cmd_req_acpi_wol_magic_config *req;
        int status;

        spin_lock_bh(&adapter->mcc_lock);

        wrb = wrb_from_mccq(adapter);
        if (!wrb) {
                status = -EBUSY;
                goto err;
        }
        req = nonemb_cmd->va;

        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH,
                               OPCODE_ETH_ACPI_WOL_MAGIC_CONFIG, sizeof(*req),
                               wrb, nonemb_cmd);
        memcpy(req->magic_mac, mac, ETH_ALEN);

        status = be_mcc_notify_wait(adapter);

err:
        spin_unlock_bh(&adapter->mcc_lock);
        return status;
}

int be_cmd_set_loopback(struct be_adapter *adapter, u8 port_num,
                        u8 loopback_type, u8 enable)
{
        struct be_mcc_wrb *wrb;
        struct be_cmd_req_set_lmode *req;
        int status;

        if (!be_cmd_allowed(adapter, OPCODE_LOWLEVEL_SET_LOOPBACK_MODE,
                            CMD_SUBSYSTEM_LOWLEVEL))
                return -EPERM;

        spin_lock_bh(&adapter->mcc_lock);

        wrb = wrb_from_mccq(adapter);
        if (!wrb) {
                status = -EBUSY;
                goto err_unlock;
        }

        req = embedded_payload(wrb);

        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_LOWLEVEL,
                               OPCODE_LOWLEVEL_SET_LOOPBACK_MODE, sizeof(*req),
                               wrb, NULL);

        req->src_port = port_num;
        req->dest_port = port_num;
        req->loopback_type = loopback_type;
        req->loopback_state = enable;

        status = be_mcc_notify(adapter);
        if (status)
                goto err_unlock;

        spin_unlock_bh(&adapter->mcc_lock);

        if (!wait_for_completion_timeout(&adapter->et_cmd_compl,
                                         msecs_to_jiffies(SET_LB_MODE_TIMEOUT)))
                status = -ETIMEDOUT;

        return status;

err_unlock:
        spin_unlock_bh(&adapter->mcc_lock);
        return status;
}

int be_cmd_loopback_test(struct be_adapter *adapter, u32 port_num,
                         u32 loopback_type, u32 pkt_size, u32 num_pkts,
                         u64 pattern)
{
        struct be_mcc_wrb *wrb;
        struct be_cmd_req_loopback_test *req;
        struct be_cmd_resp_loopback_test *resp;
        int status;

        if (!be_cmd_allowed(adapter, OPCODE_LOWLEVEL_LOOPBACK_TEST,
                            CMD_SUBSYSTEM_LOWLEVEL))
                return -EPERM;

        spin_lock_bh(&adapter->mcc_lock);

        wrb = wrb_from_mccq(adapter);
        if (!wrb) {
                status = -EBUSY;
                goto err;
        }

        req = embedded_payload(wrb);

        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_LOWLEVEL,
                               OPCODE_LOWLEVEL_LOOPBACK_TEST, sizeof(*req), wrb,
                               NULL);

        req->hdr.timeout = cpu_to_le32(15);
        req->pattern = cpu_to_le64(pattern);
        req->src_port = cpu_to_le32(port_num);
        req->dest_port = cpu_to_le32(port_num);
        req->pkt_size = cpu_to_le32(pkt_size);
        req->num_pkts = cpu_to_le32(num_pkts);
        req->loopback_type = cpu_to_le32(loopback_type);

        status = be_mcc_notify(adapter);
        if (status)
                goto err;

        spin_unlock_bh(&adapter->mcc_lock);

        wait_for_completion(&adapter->et_cmd_compl);
        resp = embedded_payload(wrb);
        status = le32_to_cpu(resp->status);

        return status;
err:
        spin_unlock_bh(&adapter->mcc_lock);
        return status;
}

int be_cmd_ddr_dma_test(struct be_adapter *adapter, u64 pattern,
                        u32 byte_cnt, struct be_dma_mem *cmd)
{
        struct be_mcc_wrb *wrb;
        struct be_cmd_req_ddrdma_test *req;
        int status;
        int i, j = 0;

        if (!be_cmd_allowed(adapter, OPCODE_LOWLEVEL_HOST_DDR_DMA,
                            CMD_SUBSYSTEM_LOWLEVEL))
                return -EPERM;

        spin_lock_bh(&adapter->mcc_lock);

        wrb = wrb_from_mccq(adapter);
        if (!wrb) {
                status = -EBUSY;
                goto err;
        }
        req = cmd->va;
        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_LOWLEVEL,
                               OPCODE_LOWLEVEL_HOST_DDR_DMA, cmd->size, wrb,
                               cmd);

        req->pattern = cpu_to_le64(pattern);
        req->byte_count = cpu_to_le32(byte_cnt);
        for (i = 0; i < byte_cnt; i++) {
                req->snd_buff[i] = (u8)(pattern >> (j * 8));
                j++;
                if (j > 7)
                        j = 0;
        }

        status = be_mcc_notify_wait(adapter);

        if (!status) {
                struct be_cmd_resp_ddrdma_test *resp;

                resp = cmd->va;
                if ((memcmp(resp->rcv_buff, req->snd_buff, byte_cnt) != 0) ||
                    resp->snd_err) {
                        status = -1;
                }
        }

err:
        spin_unlock_bh(&adapter->mcc_lock);
        return status;
}

int be_cmd_get_seeprom_data(struct be_adapter *adapter,
                            struct be_dma_mem *nonemb_cmd)
{
        struct be_mcc_wrb *wrb;
        struct be_cmd_req_seeprom_read *req;
        int status;

        spin_lock_bh(&adapter->mcc_lock);

        wrb = wrb_from_mccq(adapter);
        if (!wrb) {
                status = -EBUSY;
                goto err;
        }
        req = nonemb_cmd->va;

        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
                               OPCODE_COMMON_SEEPROM_READ, sizeof(*req), wrb,
                               nonemb_cmd);

        status = be_mcc_notify_wait(adapter);

err:
        spin_unlock_bh(&adapter->mcc_lock);
        return status;
}

int be_cmd_get_phy_info(struct be_adapter *adapter)
{
        struct be_mcc_wrb *wrb;
        struct be_cmd_req_get_phy_info *req;
        struct be_dma_mem cmd;
        int status;

        if (!be_cmd_allowed(adapter, OPCODE_COMMON_GET_PHY_DETAILS,
                            CMD_SUBSYSTEM_COMMON))
                return -EPERM;

        spin_lock_bh(&adapter->mcc_lock);

        wrb = wrb_from_mccq(adapter);
        if (!wrb) {
                status = -EBUSY;
                goto err;
        }
        cmd.size = sizeof(struct be_cmd_req_get_phy_info);
        cmd.va = dma_alloc_coherent(&adapter->pdev->dev, cmd.size, &cmd.dma,
                                    GFP_ATOMIC);
        if (!cmd.va) {
                dev_err(&adapter->pdev->dev, "Memory alloc failure\n");
                status = -ENOMEM;
                goto err;
        }

        req = cmd.va;

        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
                               OPCODE_COMMON_GET_PHY_DETAILS, sizeof(*req),
                               wrb, &cmd);

        status = be_mcc_notify_wait(adapter);
        if (!status) {
                struct be_phy_info *resp_phy_info =
                                cmd.va + sizeof(struct be_cmd_req_hdr);

                adapter->phy.phy_type = le16_to_cpu(resp_phy_info->phy_type);
                adapter->phy.interface_type =
                        le16_to_cpu(resp_phy_info->interface_type);
                adapter->phy.auto_speeds_supported =
                        le16_to_cpu(resp_phy_info->auto_speeds_supported);
                adapter->phy.fixed_speeds_supported =
                        le16_to_cpu(resp_phy_info->fixed_speeds_supported);
                adapter->phy.misc_params =
                        le32_to_cpu(resp_phy_info->misc_params);

                if (BE2_chip(adapter)) {
                        adapter->phy.fixed_speeds_supported =
                                BE_SUPPORTED_SPEED_10GBPS |
                                BE_SUPPORTED_SPEED_1GBPS;
                }
        }
        dma_free_coherent(&adapter->pdev->dev, cmd.size, cmd.va, cmd.dma);
err:
        spin_unlock_bh(&adapter->mcc_lock);
        return status;
}

static int be_cmd_set_qos(struct be_adapter *adapter, u32 bps, u32 domain)
{
        struct be_mcc_wrb *wrb;
        struct be_cmd_req_set_qos *req;
        int status;

        spin_lock_bh(&adapter->mcc_lock);

        wrb = wrb_from_mccq(adapter);
        if (!wrb) {
                status = -EBUSY;
                goto err;
        }

        req = embedded_payload(wrb);

        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
                               OPCODE_COMMON_SET_QOS, sizeof(*req), wrb, NULL);

        req->hdr.domain = domain;
        req->valid_bits = cpu_to_le32(BE_QOS_BITS_NIC);
        req->max_bps_nic = cpu_to_le32(bps);

        status = be_mcc_notify_wait(adapter);

err:
        spin_unlock_bh(&adapter->mcc_lock);
        return status;
}

int be_cmd_get_cntl_attributes(struct be_adapter *adapter)
{
        struct be_mcc_wrb *wrb;
        struct be_cmd_req_cntl_attribs *req;
        struct be_cmd_resp_cntl_attribs *resp;
        int status, i;
        int payload_len = max(sizeof(*req), sizeof(*resp));
        struct mgmt_controller_attrib *attribs;
        struct be_dma_mem attribs_cmd;
        u32 *serial_num;

        if (mutex_lock_interruptible(&adapter->mbox_lock))
                return -1;

        memset(&attribs_cmd, 0, sizeof(struct be_dma_mem));
        attribs_cmd.size = sizeof(struct be_cmd_resp_cntl_attribs);
        attribs_cmd.va = dma_alloc_coherent(&adapter->pdev->dev,
                                            attribs_cmd.size,
                                            &attribs_cmd.dma, GFP_ATOMIC);
        if (!attribs_cmd.va) {
                dev_err(&adapter->pdev->dev, "Memory allocation failure\n");
                status = -ENOMEM;
                goto err;
        }

        wrb = wrb_from_mbox(adapter);
        if (!wrb) {
                status = -EBUSY;
                goto err;
        }
        req = attribs_cmd.va;

        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
                               OPCODE_COMMON_GET_CNTL_ATTRIBUTES, payload_len,
                               wrb, &attribs_cmd);

        status = be_mbox_notify_wait(adapter);
        if (!status) {
                attribs = attribs_cmd.va + sizeof(struct be_cmd_resp_hdr);
                adapter->hba_port_num = attribs->hba_attribs.phy_port;
                serial_num = attribs->hba_attribs.controller_serial_number;
                for (i = 0; i < CNTL_SERIAL_NUM_WORDS; i++)
                        adapter->serial_num[i] = le32_to_cpu(serial_num[i]) &
                                (BIT_MASK(16) - 1);
                /* For BEx, since GET_FUNC_CONFIG command is not
                 * supported, we read funcnum here as a workaround.
                 */
                if (BEx_chip(adapter))
                        adapter->pf_num = attribs->hba_attribs.pci_funcnum;
        }

err:
        mutex_unlock(&adapter->mbox_lock);
        if (attribs_cmd.va)
                dma_free_coherent(&adapter->pdev->dev, attribs_cmd.size,
                                  attribs_cmd.va, attribs_cmd.dma);
        return status;
}

/* Uses mbox */
int be_cmd_req_native_mode(struct be_adapter *adapter)
{
        struct be_mcc_wrb *wrb;
        struct be_cmd_req_set_func_cap *req;
        int status;

        if (mutex_lock_interruptible(&adapter->mbox_lock))
                return -1;

        wrb = wrb_from_mbox(adapter);
        if (!wrb) {
                status = -EBUSY;
                goto err;
        }

        req = embedded_payload(wrb);

        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
                               OPCODE_COMMON_SET_DRIVER_FUNCTION_CAP,
                               sizeof(*req), wrb, NULL);

        req->valid_cap_flags = cpu_to_le32(CAPABILITY_SW_TIMESTAMPS |
                                CAPABILITY_BE3_NATIVE_ERX_API);
        req->cap_flags = cpu_to_le32(CAPABILITY_BE3_NATIVE_ERX_API);

        status = be_mbox_notify_wait(adapter);
        if (!status) {
                struct be_cmd_resp_set_func_cap *resp = embedded_payload(wrb);

                adapter->be3_native = le32_to_cpu(resp->cap_flags) &
                                        CAPABILITY_BE3_NATIVE_ERX_API;
                if (!adapter->be3_native)
                        dev_warn(&adapter->pdev->dev,
                                 "adapter not in advanced mode\n");
        }
err:
        mutex_unlock(&adapter->mbox_lock);
        return status;
}

/* Get privilege(s) for a function */
int be_cmd_get_fn_privileges(struct be_adapter *adapter, u32 *privilege,
                             u32 domain)
{
        struct be_mcc_wrb *wrb;
        struct be_cmd_req_get_fn_privileges *req;
        int status;

        spin_lock_bh(&adapter->mcc_lock);

        wrb = wrb_from_mccq(adapter);
        if (!wrb) {
                status = -EBUSY;
                goto err;
        }

        req = embedded_payload(wrb);

        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
                               OPCODE_COMMON_GET_FN_PRIVILEGES, sizeof(*req),
                               wrb, NULL);

        req->hdr.domain = domain;

        status = be_mcc_notify_wait(adapter);
        if (!status) {
                struct be_cmd_resp_get_fn_privileges *resp =
                                                embedded_payload(wrb);

                *privilege = le32_to_cpu(resp->privilege_mask);

                /* In UMC mode FW does not return right privileges.
                 * Override with correct privilege equivalent to PF.
                 */
                if (BEx_chip(adapter) && be_is_mc(adapter) &&
                    be_physfn(adapter))
                        *privilege = MAX_PRIVILEGES;
        }

err:
        spin_unlock_bh(&adapter->mcc_lock);
        return status;
}

/* Set privilege(s) for a function */
int be_cmd_set_fn_privileges(struct be_adapter *adapter, u32 privileges,
                             u32 domain)
{
        struct be_mcc_wrb *wrb;
        struct be_cmd_req_set_fn_privileges *req;
        int status;

        spin_lock_bh(&adapter->mcc_lock);

        wrb = wrb_from_mccq(adapter);
        if (!wrb) {
                status = -EBUSY;
                goto err;
        }

        req = embedded_payload(wrb);
        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
                               OPCODE_COMMON_SET_FN_PRIVILEGES, sizeof(*req),
                               wrb, NULL);
        req->hdr.domain = domain;
        if (lancer_chip(adapter))
                req->privileges_lancer = cpu_to_le32(privileges);
        else
                req->privileges = cpu_to_le32(privileges);

        status = be_mcc_notify_wait(adapter);
err:
        spin_unlock_bh(&adapter->mcc_lock);
        return status;
}

/* pmac_id_valid: true => pmac_id is supplied and MAC address is requested.
 * pmac_id_valid: false => pmac_id or MAC address is requested.
 *                If pmac_id is returned, pmac_id_valid is returned as true
 */
int be_cmd_get_mac_from_list(struct be_adapter *adapter, u8 *mac,
                             bool *pmac_id_valid, u32 *pmac_id, u32 if_handle,
                             u8 domain)
{
        struct be_mcc_wrb *wrb;
        struct be_cmd_req_get_mac_list *req;
        int status;
        int mac_count;
        struct be_dma_mem get_mac_list_cmd;
        int i;

        memset(&get_mac_list_cmd, 0, sizeof(struct be_dma_mem));
        get_mac_list_cmd.size = sizeof(struct be_cmd_resp_get_mac_list);
        get_mac_list_cmd.va = dma_alloc_coherent(&adapter->pdev->dev,
                                                 get_mac_list_cmd.size,
                                                 &get_mac_list_cmd.dma,
                                                 GFP_ATOMIC);

        if (!get_mac_list_cmd.va) {
                dev_err(&adapter->pdev->dev,
                        "Memory allocation failure during GET_MAC_LIST\n");
                return -ENOMEM;
        }

        spin_lock_bh(&adapter->mcc_lock);

        wrb = wrb_from_mccq(adapter);
        if (!wrb) {
                status = -EBUSY;
                goto out;
        }

        req = get_mac_list_cmd.va;

        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
                               OPCODE_COMMON_GET_MAC_LIST,
                               get_mac_list_cmd.size, wrb, &get_mac_list_cmd);
        req->hdr.domain = domain;
        req->mac_type = MAC_ADDRESS_TYPE_NETWORK;
        if (*pmac_id_valid) {
                req->mac_id = cpu_to_le32(*pmac_id);
                req->iface_id = cpu_to_le16(if_handle);
                req->perm_override = 0;
        } else {
                req->perm_override = 1;
        }

        status = be_mcc_notify_wait(adapter);
        if (!status) {
                struct be_cmd_resp_get_mac_list *resp =
                                                get_mac_list_cmd.va;

                if (*pmac_id_valid) {
                        memcpy(mac, resp->macid_macaddr.mac_addr_id.macaddr,
                               ETH_ALEN);
                        goto out;
                }

                mac_count = resp->true_mac_count + resp->pseudo_mac_count;
                /* Mac list returned could contain one or more active mac_ids
                 * or one or more true or pseudo permanent mac addresses.
                 * If an active mac_id is present, return first active mac_id
                 * found.
                 */
                for (i = 0; i < mac_count; i++) {
                        struct get_list_macaddr *mac_entry;
                        u16 mac_addr_size;
                        u32 mac_id;

                        mac_entry = &resp->macaddr_list[i];
                        mac_addr_size = le16_to_cpu(mac_entry->mac_addr_size);
                        /* mac_id is a 32 bit value and mac_addr size
                         * is 6 bytes
                         */
                        if (mac_addr_size == sizeof(u32)) {
                                *pmac_id_valid = true;
                                mac_id = mac_entry->mac_addr_id.s_mac_id.mac_id;
                                *pmac_id = le32_to_cpu(mac_id);
                                goto out;
                        }
                }
                /* If no active mac_id found, return first mac addr */
                *pmac_id_valid = false;
                memcpy(mac, resp->macaddr_list[0].mac_addr_id.macaddr,
                       ETH_ALEN);
        }

out:
        spin_unlock_bh(&adapter->mcc_lock);
        dma_free_coherent(&adapter->pdev->dev, get_mac_list_cmd.size,
                          get_mac_list_cmd.va, get_mac_list_cmd.dma);
        return status;
}

int be_cmd_get_active_mac(struct be_adapter *adapter, u32 curr_pmac_id,
                          u8 *mac, u32 if_handle, bool active, u32 domain)
{
        if (!active)
                be_cmd_get_mac_from_list(adapter, mac, &active, &curr_pmac_id,
                                         if_handle, domain);
        if (BEx_chip(adapter))
                return be_cmd_mac_addr_query(adapter, mac, false,
                                             if_handle, curr_pmac_id);
        else
                /* Fetch the MAC address using pmac_id */
                return be_cmd_get_mac_from_list(adapter, mac, &active,
                                                &curr_pmac_id,
                                                if_handle, domain);
}

int be_cmd_get_perm_mac(struct be_adapter *adapter, u8 *mac)
{
        int status;
        bool pmac_valid = false;
        u32 pmac_id;

        eth_zero_addr(mac);

        if (BEx_chip(adapter)) {
                if (be_physfn(adapter))
                        status = be_cmd_mac_addr_query(adapter, mac, true, 0,
                                                       0);
                else
                        status = be_cmd_mac_addr_query(adapter, mac, false,
                                                       adapter->if_handle, 0);
        } else {
                status = be_cmd_get_mac_from_list(adapter, mac, &pmac_valid,
                                                  &pmac_id, adapter->if_handle, 0);
        }

        return status;
}

/* Uses synchronous MCCQ */
int be_cmd_set_mac_list(struct be_adapter *adapter, u8 *mac_array,
                        u8 mac_count, u32 domain)
{
        struct be_mcc_wrb *wrb;
        struct be_cmd_req_set_mac_list *req;
        int status;
        struct be_dma_mem cmd;

        memset(&cmd, 0, sizeof(struct be_dma_mem));
        cmd.size = sizeof(struct be_cmd_req_set_mac_list);
        cmd.va = dma_alloc_coherent(&adapter->pdev->dev, cmd.size, &cmd.dma,
                                    GFP_KERNEL);
        if (!cmd.va)
                return -ENOMEM;

        spin_lock_bh(&adapter->mcc_lock);

        wrb = wrb_from_mccq(adapter);
        if (!wrb) {
                status = -EBUSY;
                goto err;
        }

        req = cmd.va;
        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
                               OPCODE_COMMON_SET_MAC_LIST, sizeof(*req),
                               wrb, &cmd);

        req->hdr.domain = domain;
        req->mac_count = mac_count;
        if (mac_count)
                memcpy(req->mac, mac_array, ETH_ALEN * mac_count);

        status = be_mcc_notify_wait(adapter);

err:
        spin_unlock_bh(&adapter->mcc_lock);
        dma_free_coherent(&adapter->pdev->dev, cmd.size, cmd.va, cmd.dma);
        return status;
}

/* Wrapper to delete any active MACs and provision the new mac.
 * Changes to MAC_LIST are allowed iff none of the MAC addresses in the
 * current list are active.
 */
int be_cmd_set_mac(struct be_adapter *adapter, u8 *mac, int if_id, u32 dom)
{
        bool active_mac = false;
        u8 old_mac[ETH_ALEN];
        u32 pmac_id;
        int status;

        status = be_cmd_get_mac_from_list(adapter, old_mac, &active_mac,
                                          &pmac_id, if_id, dom);

        if (!status && active_mac)
                be_cmd_pmac_del(adapter, if_id, pmac_id, dom);

        return be_cmd_set_mac_list(adapter, mac, mac ? 1 : 0, dom);
}

int be_cmd_set_hsw_config(struct be_adapter *adapter, u16 pvid,
                          u32 domain, u16 intf_id, u16 hsw_mode, u8 spoofchk)
{
        struct be_mcc_wrb *wrb;
        struct be_cmd_req_set_hsw_config *req;
        void *ctxt;
        int status;

        if (!be_cmd_allowed(adapter, OPCODE_COMMON_SET_HSW_CONFIG,
                            CMD_SUBSYSTEM_COMMON))
                return -EPERM;

        spin_lock_bh(&adapter->mcc_lock);

        wrb = wrb_from_mccq(adapter);
        if (!wrb) {
                status = -EBUSY;
                goto err;
        }

        req = embedded_payload(wrb);
        ctxt = &req->context;

        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
                               OPCODE_COMMON_SET_HSW_CONFIG, sizeof(*req), wrb,
                               NULL);

        req->hdr.domain = domain;
        AMAP_SET_BITS(struct amap_set_hsw_context, interface_id, ctxt, intf_id);
        if (pvid) {
                AMAP_SET_BITS(struct amap_set_hsw_context, pvid_valid, ctxt, 1);
                AMAP_SET_BITS(struct amap_set_hsw_context, pvid, ctxt, pvid);
        }
        if (hsw_mode) {
                AMAP_SET_BITS(struct amap_set_hsw_context, interface_id,
                              ctxt, adapter->hba_port_num);
                AMAP_SET_BITS(struct amap_set_hsw_context, pport, ctxt, 1);
                AMAP_SET_BITS(struct amap_set_hsw_context, port_fwd_type,
                              ctxt, hsw_mode);
        }

        /* Enable/disable both mac and vlan spoof checking */
        if (!BEx_chip(adapter) && spoofchk) {
                AMAP_SET_BITS(struct amap_set_hsw_context, mac_spoofchk,
                              ctxt, spoofchk);
                AMAP_SET_BITS(struct amap_set_hsw_context, vlan_spoofchk,
                              ctxt, spoofchk);
        }

        be_dws_cpu_to_le(req->context, sizeof(req->context));
        status = be_mcc_notify_wait(adapter);

err:
        spin_unlock_bh(&adapter->mcc_lock);
        return status;
}

/* Get Hyper switch config */
int be_cmd_get_hsw_config(struct be_adapter *adapter, u16 *pvid,
                          u32 domain, u16 intf_id, u8 *mode, bool *spoofchk)
{
        struct be_mcc_wrb *wrb;
        struct be_cmd_req_get_hsw_config *req;
        void *ctxt;
        int status;
        u16 vid;

        spin_lock_bh(&adapter->mcc_lock);

        wrb = wrb_from_mccq(adapter);
        if (!wrb) {
                status = -EBUSY;
                goto err;
        }

        req = embedded_payload(wrb);
        ctxt = &req->context;

        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
                               OPCODE_COMMON_GET_HSW_CONFIG, sizeof(*req), wrb,
                               NULL);

        req->hdr.domain = domain;
        AMAP_SET_BITS(struct amap_get_hsw_req_context, interface_id,
                      ctxt, intf_id);
        AMAP_SET_BITS(struct amap_get_hsw_req_context, pvid_valid, ctxt, 1);

        if (!BEx_chip(adapter) && mode) {
                AMAP_SET_BITS(struct amap_get_hsw_req_context, interface_id,
                              ctxt, adapter->hba_port_num);
                AMAP_SET_BITS(struct amap_get_hsw_req_context, pport, ctxt, 1);
        }
        be_dws_cpu_to_le(req->context, sizeof(req->context));

        status = be_mcc_notify_wait(adapter);
        if (!status) {
                struct be_cmd_resp_get_hsw_config *resp =
                                                embedded_payload(wrb);

                be_dws_le_to_cpu(&resp->context, sizeof(resp->context));
                vid = AMAP_GET_BITS(struct amap_get_hsw_resp_context,
                                    pvid, &resp->context);
                if (pvid)
                        *pvid = le16_to_cpu(vid);
                if (mode)
                        *mode = AMAP_GET_BITS(struct amap_get_hsw_resp_context,
                                              port_fwd_type, &resp->context);
                if (spoofchk)
                        *spoofchk =
                                AMAP_GET_BITS(struct amap_get_hsw_resp_context,
                                              spoofchk, &resp->context);
        }

err:
        spin_unlock_bh(&adapter->mcc_lock);
        return status;
}

static bool be_is_wol_excluded(struct be_adapter *adapter)
{
        struct pci_dev *pdev = adapter->pdev;

        if (be_virtfn(adapter))
                return true;

        switch (pdev->subsystem_device) {
        case OC_SUBSYS_DEVICE_ID1:
        case OC_SUBSYS_DEVICE_ID2:
        case OC_SUBSYS_DEVICE_ID3:
        case OC_SUBSYS_DEVICE_ID4:
                return true;
        default:
                return false;
        }
}

int be_cmd_get_acpi_wol_cap(struct be_adapter *adapter)
{
        struct be_mcc_wrb *wrb;
        struct be_cmd_req_acpi_wol_magic_config_v1 *req;
        int status = 0;
        struct be_dma_mem cmd;

        if (!be_cmd_allowed(adapter, OPCODE_ETH_ACPI_WOL_MAGIC_CONFIG,
                            CMD_SUBSYSTEM_ETH))
                return -EPERM;

        if (be_is_wol_excluded(adapter))
                return status;

        if (mutex_lock_interruptible(&adapter->mbox_lock))
                return -1;

        memset(&cmd, 0, sizeof(struct be_dma_mem));
        cmd.size = sizeof(struct be_cmd_resp_acpi_wol_magic_config_v1);
        cmd.va = dma_alloc_coherent(&adapter->pdev->dev, cmd.size, &cmd.dma,
                                    GFP_ATOMIC);
        if (!cmd.va) {
                dev_err(&adapter->pdev->dev, "Memory allocation failure\n");
                status = -ENOMEM;
                goto err;
        }

        wrb = wrb_from_mbox(adapter);
        if (!wrb) {
                status = -EBUSY;
                goto err;
        }

        req = cmd.va;

        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH,
                               OPCODE_ETH_ACPI_WOL_MAGIC_CONFIG,
                               sizeof(*req), wrb, &cmd);

        req->hdr.version = 1;
        req->query_options = BE_GET_WOL_CAP;

        status = be_mbox_notify_wait(adapter);
        if (!status) {
                struct be_cmd_resp_acpi_wol_magic_config_v1 *resp;

                resp = (struct be_cmd_resp_acpi_wol_magic_config_v1 *)cmd.va;

                adapter->wol_cap = resp->wol_settings;

                /* Non-zero macaddr indicates WOL is enabled */
                if (adapter->wol_cap & BE_WOL_CAP &&
                    !is_zero_ether_addr(resp->magic_mac))
                        adapter->wol_en = true;
        }
err:
        mutex_unlock(&adapter->mbox_lock);
        if (cmd.va)
                dma_free_coherent(&adapter->pdev->dev, cmd.size, cmd.va,
                                  cmd.dma);
        return status;

}

int be_cmd_set_fw_log_level(struct be_adapter *adapter, u32 level)
{
        struct be_dma_mem extfat_cmd;
        struct be_fat_conf_params *cfgs;
        int status;
        int i, j;

        memset(&extfat_cmd, 0, sizeof(struct be_dma_mem));
        extfat_cmd.size = sizeof(struct be_cmd_resp_get_ext_fat_caps);
        extfat_cmd.va = dma_alloc_coherent(&adapter->pdev->dev,
                                           extfat_cmd.size, &extfat_cmd.dma,
                                           GFP_ATOMIC);
        if (!extfat_cmd.va)
                return -ENOMEM;

        status = be_cmd_get_ext_fat_capabilites(adapter, &extfat_cmd);
        if (status)
                goto err;

        cfgs = (struct be_fat_conf_params *)
                        (extfat_cmd.va + sizeof(struct be_cmd_resp_hdr));
        for (i = 0; i < le32_to_cpu(cfgs->num_modules); i++) {
                u32 num_modes = le32_to_cpu(cfgs->module[i].num_modes);

                for (j = 0; j < num_modes; j++) {
                        if (cfgs->module[i].trace_lvl[j].mode == MODE_UART)
                                cfgs->module[i].trace_lvl[j].dbg_lvl =
                                                        cpu_to_le32(level);
                }
        }

        status = be_cmd_set_ext_fat_capabilites(adapter, &extfat_cmd, cfgs);
err:
        dma_free_coherent(&adapter->pdev->dev, extfat_cmd.size, extfat_cmd.va,
                          extfat_cmd.dma);
        return status;
}

int be_cmd_get_fw_log_level(struct be_adapter *adapter)
{
        struct be_dma_mem extfat_cmd;
        struct be_fat_conf_params *cfgs;
        int status, j;
        int level = 0;

        memset(&extfat_cmd, 0, sizeof(struct be_dma_mem));
        extfat_cmd.size = sizeof(struct be_cmd_resp_get_ext_fat_caps);
        extfat_cmd.va = dma_alloc_coherent(&adapter->pdev->dev,
                                           extfat_cmd.size, &extfat_cmd.dma,
                                           GFP_ATOMIC);

        if (!extfat_cmd.va) {
                dev_err(&adapter->pdev->dev, "%s: Memory allocation failure\n",
                        __func__);
                goto err;
        }

        status = be_cmd_get_ext_fat_capabilites(adapter, &extfat_cmd);
        if (!status) {
                cfgs = (struct be_fat_conf_params *)(extfat_cmd.va +
                                                sizeof(struct be_cmd_resp_hdr));

                for (j = 0; j < le32_to_cpu(cfgs->module[0].num_modes); j++) {
                        if (cfgs->module[0].trace_lvl[j].mode == MODE_UART)
                                level = cfgs->module[0].trace_lvl[j].dbg_lvl;
                }
        }
        dma_free_coherent(&adapter->pdev->dev, extfat_cmd.size, extfat_cmd.va,
                          extfat_cmd.dma);
err:
        return level;
}

int be_cmd_get_ext_fat_capabilites(struct be_adapter *adapter,
                                   struct be_dma_mem *cmd)
{
        struct be_mcc_wrb *wrb;
        struct be_cmd_req_get_ext_fat_caps *req;
        int status;

        if (!be_cmd_allowed(adapter, OPCODE_COMMON_GET_EXT_FAT_CAPABILITIES,
                            CMD_SUBSYSTEM_COMMON))
                return -EPERM;

        if (mutex_lock_interruptible(&adapter->mbox_lock))
                return -1;

        wrb = wrb_from_mbox(adapter);
        if (!wrb) {
                status = -EBUSY;
                goto err;
        }

        req = cmd->va;
        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
                               OPCODE_COMMON_GET_EXT_FAT_CAPABILITIES,
                               cmd->size, wrb, cmd);
        req->parameter_type = cpu_to_le32(1);

        status = be_mbox_notify_wait(adapter);
err:
        mutex_unlock(&adapter->mbox_lock);
        return status;
}

int be_cmd_set_ext_fat_capabilites(struct be_adapter *adapter,
                                   struct be_dma_mem *cmd,
                                   struct be_fat_conf_params *configs)
{
        struct be_mcc_wrb *wrb;
        struct be_cmd_req_set_ext_fat_caps *req;
        int status;

        spin_lock_bh(&adapter->mcc_lock);

        wrb = wrb_from_mccq(adapter);
        if (!wrb) {
                status = -EBUSY;
                goto err;
        }

        req = cmd->va;
        memcpy(&req->set_params, configs, sizeof(struct be_fat_conf_params));
        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
                               OPCODE_COMMON_SET_EXT_FAT_CAPABILITIES,
                               cmd->size, wrb, cmd);

        status = be_mcc_notify_wait(adapter);
err:
        spin_unlock_bh(&adapter->mcc_lock);
        return status;
}

int be_cmd_query_port_name(struct be_adapter *adapter)
{
        struct be_cmd_req_get_port_name *req;
        struct be_mcc_wrb *wrb;
        int status;

        if (mutex_lock_interruptible(&adapter->mbox_lock))
                return -1;

        wrb = wrb_from_mbox(adapter);
        req = embedded_payload(wrb);

        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
                               OPCODE_COMMON_GET_PORT_NAME, sizeof(*req), wrb,
                               NULL);
        if (!BEx_chip(adapter))
                req->hdr.version = 1;

        status = be_mbox_notify_wait(adapter);
        if (!status) {
                struct be_cmd_resp_get_port_name *resp = embedded_payload(wrb);

                adapter->port_name = resp->port_name[adapter->hba_port_num];
        } else {
                adapter->port_name = adapter->hba_port_num + '0';
        }

        mutex_unlock(&adapter->mbox_lock);
        return status;
}

/* When more than 1 NIC descriptor is present in the descriptor list,
 * the caller must specify the pf_num to obtain the NIC descriptor
 * corresponding to its pci function.
 * get_vft must be true when the caller wants the VF-template desc of the
 * PF-pool.
 * The pf_num should be set to PF_NUM_IGNORE when the caller knows
 * that only it's NIC descriptor is present in the descriptor list.
 */
static struct be_nic_res_desc *be_get_nic_desc(u8 *buf, u32 desc_count,
                                               bool get_vft, u8 pf_num)
{
        struct be_res_desc_hdr *hdr = (struct be_res_desc_hdr *)buf;
        struct be_nic_res_desc *nic;
        int i;

        for (i = 0; i < desc_count; i++) {
                if (hdr->desc_type == NIC_RESOURCE_DESC_TYPE_V0 ||
                    hdr->desc_type == NIC_RESOURCE_DESC_TYPE_V1) {
                        nic = (struct be_nic_res_desc *)hdr;

                        if ((pf_num == PF_NUM_IGNORE ||
                             nic->pf_num == pf_num) &&
                            (!get_vft || nic->flags & BIT(VFT_SHIFT)))
                                return nic;
                }
                hdr->desc_len = hdr->desc_len ? : RESOURCE_DESC_SIZE_V0;
                hdr = (void *)hdr + hdr->desc_len;
        }
        return NULL;
}

static struct be_nic_res_desc *be_get_vft_desc(u8 *buf, u32 desc_count,
                                               u8 pf_num)
{
        return be_get_nic_desc(buf, desc_count, true, pf_num);
}

static struct be_nic_res_desc *be_get_func_nic_desc(u8 *buf, u32 desc_count,
                                                    u8 pf_num)
{
        return be_get_nic_desc(buf, desc_count, false, pf_num);
}

static struct be_pcie_res_desc *be_get_pcie_desc(u8 *buf, u32 desc_count,
                                                 u8 pf_num)
{
        struct be_res_desc_hdr *hdr = (struct be_res_desc_hdr *)buf;
        struct be_pcie_res_desc *pcie;
        int i;

        for (i = 0; i < desc_count; i++) {
                if (hdr->desc_type == PCIE_RESOURCE_DESC_TYPE_V0 ||
                    hdr->desc_type == PCIE_RESOURCE_DESC_TYPE_V1) {
                        pcie = (struct be_pcie_res_desc *)hdr;
                        if (pcie->pf_num == pf_num)
                                return pcie;
                }

                hdr->desc_len = hdr->desc_len ? : RESOURCE_DESC_SIZE_V0;
                hdr = (void *)hdr + hdr->desc_len;
        }
        return NULL;
}

static struct be_port_res_desc *be_get_port_desc(u8 *buf, u32 desc_count)
{
        struct be_res_desc_hdr *hdr = (struct be_res_desc_hdr *)buf;
        int i;

        for (i = 0; i < desc_count; i++) {
                if (hdr->desc_type == PORT_RESOURCE_DESC_TYPE_V1)
                        return (struct be_port_res_desc *)hdr;

                hdr->desc_len = hdr->desc_len ? : RESOURCE_DESC_SIZE_V0;
                hdr = (void *)hdr + hdr->desc_len;
        }
        return NULL;
}

static void be_copy_nic_desc(struct be_resources *res,
                             struct be_nic_res_desc *desc)
{
        res->max_uc_mac = le16_to_cpu(desc->unicast_mac_count);
        res->max_vlans = le16_to_cpu(desc->vlan_count);
        res->max_mcast_mac = le16_to_cpu(desc->mcast_mac_count);
        res->max_tx_qs = le16_to_cpu(desc->txq_count);
        res->max_rss_qs = le16_to_cpu(desc->rssq_count);
        res->max_rx_qs = le16_to_cpu(desc->rq_count);
        res->max_evt_qs = le16_to_cpu(desc->eq_count);
        res->max_cq_count = le16_to_cpu(desc->cq_count);
        res->max_iface_count = le16_to_cpu(desc->iface_count);
        res->max_mcc_count = le16_to_cpu(desc->mcc_count);
        /* Clear flags that driver is not interested in */
        res->if_cap_flags = le32_to_cpu(desc->cap_flags) &
                                BE_IF_CAP_FLAGS_WANT;
}

/* Uses Mbox */
int be_cmd_get_func_config(struct be_adapter *adapter, struct be_resources *res)
{
        struct be_mcc_wrb *wrb;
        struct be_cmd_req_get_func_config *req;
        int status;
        struct be_dma_mem cmd;

        if (mutex_lock_interruptible(&adapter->mbox_lock))
                return -1;

        memset(&cmd, 0, sizeof(struct be_dma_mem));
        cmd.size = sizeof(struct be_cmd_resp_get_func_config);
        cmd.va = dma_alloc_coherent(&adapter->pdev->dev, cmd.size, &cmd.dma,
                                    GFP_ATOMIC);
        if (!cmd.va) {
                dev_err(&adapter->pdev->dev, "Memory alloc failure\n");
                status = -ENOMEM;
                goto err;
        }

        wrb = wrb_from_mbox(adapter);
        if (!wrb) {
                status = -EBUSY;
                goto err;
        }

        req = cmd.va;

        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
                               OPCODE_COMMON_GET_FUNC_CONFIG,
                               cmd.size, wrb, &cmd);

        if (skyhawk_chip(adapter))
                req->hdr.version = 1;

        status = be_mbox_notify_wait(adapter);
        if (!status) {
                struct be_cmd_resp_get_func_config *resp = cmd.va;
                u32 desc_count = le32_to_cpu(resp->desc_count);
                struct be_nic_res_desc *desc;

                /* GET_FUNC_CONFIG returns resource descriptors of the
                 * current function only. So, pf_num should be set to
                 * PF_NUM_IGNORE.
                 */
                desc = be_get_func_nic_desc(resp->func_param, desc_count,
                                            PF_NUM_IGNORE);
                if (!desc) {
                        status = -EINVAL;
                        goto err;
                }

                /* Store pf_num & vf_num for later use in GET_PROFILE_CONFIG */
                adapter->pf_num = desc->pf_num;
                adapter->vf_num = desc->vf_num;

                if (res)
                        be_copy_nic_desc(res, desc);
        }
err:
        mutex_unlock(&adapter->mbox_lock);
        if (cmd.va)
                dma_free_coherent(&adapter->pdev->dev, cmd.size, cmd.va,
                                  cmd.dma);
        return status;
}

/* This routine returns a list of all the NIC PF_nums in the adapter */
static u16 be_get_nic_pf_num_list(u8 *buf, u32 desc_count, u16 *nic_pf_nums)
{
        struct be_res_desc_hdr *hdr = (struct be_res_desc_hdr *)buf;
        struct be_pcie_res_desc *pcie = NULL;
        int i;
        u16 nic_pf_count = 0;

        for (i = 0; i < desc_count; i++) {
                if (hdr->desc_type == PCIE_RESOURCE_DESC_TYPE_V0 ||
                    hdr->desc_type == PCIE_RESOURCE_DESC_TYPE_V1) {
                        pcie = (struct be_pcie_res_desc *)hdr;
                        if (pcie->pf_state && (pcie->pf_type == MISSION_NIC ||
                                               pcie->pf_type == MISSION_RDMA)) {
                                nic_pf_nums[nic_pf_count++] = pcie->pf_num;
                        }
                }

                hdr->desc_len = hdr->desc_len ? : RESOURCE_DESC_SIZE_V0;
                hdr = (void *)hdr + hdr->desc_len;
        }
        return nic_pf_count;
}

/* Will use MBOX only if MCCQ has not been created */
int be_cmd_get_profile_config(struct be_adapter *adapter,
                              struct be_resources *res,
                              struct be_port_resources *port_res,
                              u8 profile_type, u8 query, u8 domain)
{
        struct be_cmd_resp_get_profile_config *resp;
        struct be_cmd_req_get_profile_config *req;
        struct be_nic_res_desc *vf_res;
        struct be_pcie_res_desc *pcie;
        struct be_port_res_desc *port;
        struct be_nic_res_desc *nic;
        struct be_mcc_wrb wrb = {0};
        struct be_dma_mem cmd;
        u16 desc_count;
        int status;

        memset(&cmd, 0, sizeof(struct be_dma_mem));
        cmd.size = sizeof(struct be_cmd_resp_get_profile_config);
        cmd.va = dma_alloc_coherent(&adapter->pdev->dev, cmd.size, &cmd.dma,
                                    GFP_ATOMIC);
        if (!cmd.va)
                return -ENOMEM;

        req = cmd.va;
        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
                               OPCODE_COMMON_GET_PROFILE_CONFIG,
                               cmd.size, &wrb, &cmd);

        if (!lancer_chip(adapter))
                req->hdr.version = 1;
        req->type = profile_type;
        req->hdr.domain = domain;

        /* When QUERY_MODIFIABLE_FIELDS_TYPE bit is set, cmd returns the
         * descriptors with all bits set to "1" for the fields which can be
         * modified using SET_PROFILE_CONFIG cmd.
         */
        if (query == RESOURCE_MODIFIABLE)
                req->type |= QUERY_MODIFIABLE_FIELDS_TYPE;

        status = be_cmd_notify_wait(adapter, &wrb);
        if (status)
                goto err;

        resp = cmd.va;
        desc_count = le16_to_cpu(resp->desc_count);

        if (port_res) {
                u16 nic_pf_cnt = 0, i;
                u16 nic_pf_num_list[MAX_NIC_FUNCS];

                nic_pf_cnt = be_get_nic_pf_num_list(resp->func_param,
                                                    desc_count,
                                                    nic_pf_num_list);

                for (i = 0; i < nic_pf_cnt; i++) {
                        nic = be_get_func_nic_desc(resp->func_param, desc_count,
                                                   nic_pf_num_list[i]);
                        if (nic->link_param == adapter->port_num) {
                                port_res->nic_pfs++;
                                pcie = be_get_pcie_desc(resp->func_param,
                                                        desc_count,
                                                        nic_pf_num_list[i]);
                                port_res->max_vfs += le16_to_cpu(pcie->num_vfs);
                        }
                }
                goto err;
        }

        pcie = be_get_pcie_desc(resp->func_param, desc_count,
                                adapter->pf_num);
        if (pcie)
                res->max_vfs = le16_to_cpu(pcie->num_vfs);

        port = be_get_port_desc(resp->func_param, desc_count);
        if (port)
                adapter->mc_type = port->mc_type;

        nic = be_get_func_nic_desc(resp->func_param, desc_count,
                                   adapter->pf_num);
        if (nic)
                be_copy_nic_desc(res, nic);

        vf_res = be_get_vft_desc(resp->func_param, desc_count,
                                 adapter->pf_num);
        if (vf_res)
                res->vf_if_cap_flags = vf_res->cap_flags;
err:
        if (cmd.va)
                dma_free_coherent(&adapter->pdev->dev, cmd.size, cmd.va,
                                  cmd.dma);
        return status;
}

/* Will use MBOX only if MCCQ has not been created */
static int be_cmd_set_profile_config(struct be_adapter *adapter, void *desc,
                                     int size, int count, u8 version, u8 domain)
{
        struct be_cmd_req_set_profile_config *req;
        struct be_mcc_wrb wrb = {0};
        struct be_dma_mem cmd;
        int status;

        memset(&cmd, 0, sizeof(struct be_dma_mem));
        cmd.size = sizeof(struct be_cmd_req_set_profile_config);
        cmd.va = dma_alloc_coherent(&adapter->pdev->dev, cmd.size, &cmd.dma,
                                    GFP_ATOMIC);
        if (!cmd.va)
                return -ENOMEM;

        req = cmd.va;
        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
                               OPCODE_COMMON_SET_PROFILE_CONFIG, cmd.size,
                               &wrb, &cmd);
        req->hdr.version = version;
        req->hdr.domain = domain;
        req->desc_count = cpu_to_le32(count);
        memcpy(req->desc, desc, size);

        status = be_cmd_notify_wait(adapter, &wrb);

        if (cmd.va)
                dma_free_coherent(&adapter->pdev->dev, cmd.size, cmd.va,
                                  cmd.dma);
        return status;
}

/* Mark all fields invalid */
static void be_reset_nic_desc(struct be_nic_res_desc *nic)
{
        memset(nic, 0, sizeof(*nic));
        nic->unicast_mac_count = 0xFFFF;
        nic->mcc_count = 0xFFFF;
        nic->vlan_count = 0xFFFF;
        nic->mcast_mac_count = 0xFFFF;
        nic->txq_count = 0xFFFF;
        nic->rq_count = 0xFFFF;
        nic->rssq_count = 0xFFFF;
        nic->lro_count = 0xFFFF;
        nic->cq_count = 0xFFFF;
        nic->toe_conn_count = 0xFFFF;
        nic->eq_count = 0xFFFF;
        nic->iface_count = 0xFFFF;
        nic->link_param = 0xFF;
        nic->channel_id_param = cpu_to_le16(0xF000);
        nic->acpi_params = 0xFF;
        nic->wol_param = 0x0F;
        nic->tunnel_iface_count = 0xFFFF;
        nic->direct_tenant_iface_count = 0xFFFF;
        nic->bw_min = 0xFFFFFFFF;
        nic->bw_max = 0xFFFFFFFF;
}

/* Mark all fields invalid */
static void be_reset_pcie_desc(struct be_pcie_res_desc *pcie)
{
        memset(pcie, 0, sizeof(*pcie));
        pcie->sriov_state = 0xFF;
        pcie->pf_state = 0xFF;
        pcie->pf_type = 0xFF;
        pcie->num_vfs = 0xFFFF;
}

int be_cmd_config_qos(struct be_adapter *adapter, u32 max_rate, u16 link_speed,
                      u8 domain)
{
        struct be_nic_res_desc nic_desc;
        u32 bw_percent;
        u16 version = 0;

        if (BE3_chip(adapter))
                return be_cmd_set_qos(adapter, max_rate / 10, domain);

        be_reset_nic_desc(&nic_desc);
        nic_desc.pf_num = adapter->pf_num;
        nic_desc.vf_num = domain;
        nic_desc.bw_min = 0;
        if (lancer_chip(adapter)) {
                nic_desc.hdr.desc_type = NIC_RESOURCE_DESC_TYPE_V0;
                nic_desc.hdr.desc_len = RESOURCE_DESC_SIZE_V0;
                nic_desc.flags = (1 << QUN_SHIFT) | (1 << IMM_SHIFT) |
                                        (1 << NOSV_SHIFT);
                nic_desc.bw_max = cpu_to_le32(max_rate / 10);
        } else {
                version = 1;
                nic_desc.hdr.desc_type = NIC_RESOURCE_DESC_TYPE_V1;
                nic_desc.hdr.desc_len = RESOURCE_DESC_SIZE_V1;
                nic_desc.flags = (1 << IMM_SHIFT) | (1 << NOSV_SHIFT);
                bw_percent = max_rate ? (max_rate * 100) / link_speed : 100;
                nic_desc.bw_max = cpu_to_le32(bw_percent);
        }

        return be_cmd_set_profile_config(adapter, &nic_desc,
                                         nic_desc.hdr.desc_len,
                                         1, version, domain);
}

int be_cmd_set_sriov_config(struct be_adapter *adapter,
                            struct be_resources pool_res, u16 num_vfs,
                            struct be_resources *vft_res)
{
        struct {
                struct be_pcie_res_desc pcie;
                struct be_nic_res_desc nic_vft;
        } __packed desc;

        /* PF PCIE descriptor */
        be_reset_pcie_desc(&desc.pcie);
        desc.pcie.hdr.desc_type = PCIE_RESOURCE_DESC_TYPE_V1;
        desc.pcie.hdr.desc_len = RESOURCE_DESC_SIZE_V1;
        desc.pcie.flags = BIT(IMM_SHIFT) | BIT(NOSV_SHIFT);
        desc.pcie.pf_num = adapter->pdev->devfn;
        desc.pcie.sriov_state = num_vfs ? 1 : 0;
        desc.pcie.num_vfs = cpu_to_le16(num_vfs);

        /* VF NIC Template descriptor */
        be_reset_nic_desc(&desc.nic_vft);
        desc.nic_vft.hdr.desc_type = NIC_RESOURCE_DESC_TYPE_V1;
        desc.nic_vft.hdr.desc_len = RESOURCE_DESC_SIZE_V1;
        desc.nic_vft.flags = vft_res->flags | BIT(VFT_SHIFT) |
                             BIT(IMM_SHIFT) | BIT(NOSV_SHIFT);
        desc.nic_vft.pf_num = adapter->pdev->devfn;
        desc.nic_vft.vf_num = 0;
        desc.nic_vft.cap_flags = cpu_to_le32(vft_res->vf_if_cap_flags);
        desc.nic_vft.rq_count = cpu_to_le16(vft_res->max_rx_qs);
        desc.nic_vft.txq_count = cpu_to_le16(vft_res->max_tx_qs);
        desc.nic_vft.rssq_count = cpu_to_le16(vft_res->max_rss_qs);
        desc.nic_vft.cq_count = cpu_to_le16(vft_res->max_cq_count);

        if (vft_res->max_uc_mac)
                desc.nic_vft.unicast_mac_count =
                                        cpu_to_le16(vft_res->max_uc_mac);
        if (vft_res->max_vlans)
                desc.nic_vft.vlan_count = cpu_to_le16(vft_res->max_vlans);
        if (vft_res->max_iface_count)
                desc.nic_vft.iface_count =
                                cpu_to_le16(vft_res->max_iface_count);
        if (vft_res->max_mcc_count)
                desc.nic_vft.mcc_count = cpu_to_le16(vft_res->max_mcc_count);

        return be_cmd_set_profile_config(adapter, &desc,
                                         2 * RESOURCE_DESC_SIZE_V1, 2, 1, 0);
}

int be_cmd_manage_iface(struct be_adapter *adapter, u32 iface, u8 op)
{
        struct be_mcc_wrb *wrb;
        struct be_cmd_req_manage_iface_filters *req;
        int status;

        if (iface == 0xFFFFFFFF)
                return -1;

        spin_lock_bh(&adapter->mcc_lock);

        wrb = wrb_from_mccq(adapter);
        if (!wrb) {
                status = -EBUSY;
                goto err;
        }
        req = embedded_payload(wrb);

        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
                               OPCODE_COMMON_MANAGE_IFACE_FILTERS, sizeof(*req),
                               wrb, NULL);
        req->op = op;
        req->target_iface_id = cpu_to_le32(iface);

        status = be_mcc_notify_wait(adapter);
err:
        spin_unlock_bh(&adapter->mcc_lock);
        return status;
}

int be_cmd_set_vxlan_port(struct be_adapter *adapter, __be16 port)
{
        struct be_port_res_desc port_desc;

        memset(&port_desc, 0, sizeof(port_desc));
        port_desc.hdr.desc_type = PORT_RESOURCE_DESC_TYPE_V1;
        port_desc.hdr.desc_len = RESOURCE_DESC_SIZE_V1;
        port_desc.flags = (1 << IMM_SHIFT) | (1 << NOSV_SHIFT);
        port_desc.link_num = adapter->hba_port_num;
        if (port) {
                port_desc.nv_flags = NV_TYPE_VXLAN | (1 << SOCVID_SHIFT) |
                                        (1 << RCVID_SHIFT);
                port_desc.nv_port = swab16(port);
        } else {
                port_desc.nv_flags = NV_TYPE_DISABLED;
                port_desc.nv_port = 0;
        }

        return be_cmd_set_profile_config(adapter, &port_desc,
                                         RESOURCE_DESC_SIZE_V1, 1, 1, 0);
}

int be_cmd_get_if_id(struct be_adapter *adapter, struct be_vf_cfg *vf_cfg,
                     int vf_num)
{
        struct be_mcc_wrb *wrb;
        struct be_cmd_req_get_iface_list *req;
        struct be_cmd_resp_get_iface_list *resp;
        int status;

        spin_lock_bh(&adapter->mcc_lock);

        wrb = wrb_from_mccq(adapter);
        if (!wrb) {
                status = -EBUSY;
                goto err;
        }
        req = embedded_payload(wrb);

        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
                               OPCODE_COMMON_GET_IFACE_LIST, sizeof(*resp),
                               wrb, NULL);
        req->hdr.domain = vf_num + 1;

        status = be_mcc_notify_wait(adapter);
        if (!status) {
                resp = (struct be_cmd_resp_get_iface_list *)req;
                vf_cfg->if_handle = le32_to_cpu(resp->if_desc.if_id);
        }

err:
        spin_unlock_bh(&adapter->mcc_lock);
        return status;
}

static int lancer_wait_idle(struct be_adapter *adapter)
{
#define SLIPORT_IDLE_TIMEOUT 30
        u32 reg_val;
        int status = 0, i;

        for (i = 0; i < SLIPORT_IDLE_TIMEOUT; i++) {
                reg_val = ioread32(adapter->db + PHYSDEV_CONTROL_OFFSET);
                if ((reg_val & PHYSDEV_CONTROL_INP_MASK) == 0)
                        break;

                ssleep(1);
        }

        if (i == SLIPORT_IDLE_TIMEOUT)
                status = -1;

        return status;
}

int lancer_physdev_ctrl(struct be_adapter *adapter, u32 mask)
{
        int status = 0;

        status = lancer_wait_idle(adapter);
        if (status)
                return status;

        iowrite32(mask, adapter->db + PHYSDEV_CONTROL_OFFSET);

        return status;
}

/* Routine to check whether dump image is present or not */
bool dump_present(struct be_adapter *adapter)
{
        u32 sliport_status = 0;

        sliport_status = ioread32(adapter->db + SLIPORT_STATUS_OFFSET);
        return !!(sliport_status & SLIPORT_STATUS_DIP_MASK);
}

int lancer_initiate_dump(struct be_adapter *adapter)
{
        struct device *dev = &adapter->pdev->dev;
        int status;

        if (dump_present(adapter)) {
                dev_info(dev, "Previous dump not cleared, not forcing dump\n");
                return -EEXIST;
        }

        /* give firmware reset and diagnostic dump */
        status = lancer_physdev_ctrl(adapter, PHYSDEV_CONTROL_FW_RESET_MASK |
                                     PHYSDEV_CONTROL_DD_MASK);
        if (status < 0) {
                dev_err(dev, "FW reset failed\n");
                return status;
        }

        status = lancer_wait_idle(adapter);
        if (status)
                return status;

        if (!dump_present(adapter)) {
                dev_err(dev, "FW dump not generated\n");
                return -EIO;
        }

        return 0;
}

int lancer_delete_dump(struct be_adapter *adapter)
{
        int status;

        status = lancer_cmd_delete_object(adapter, LANCER_FW_DUMP_FILE);
        return be_cmd_status(status);
}

/* Uses sync mcc */
int be_cmd_enable_vf(struct be_adapter *adapter, u8 domain)
{
        struct be_mcc_wrb *wrb;
        struct be_cmd_enable_disable_vf *req;
        int status;

        if (BEx_chip(adapter))
                return 0;

        spin_lock_bh(&adapter->mcc_lock);

        wrb = wrb_from_mccq(adapter);
        if (!wrb) {
                status = -EBUSY;
                goto err;
        }

        req = embedded_payload(wrb);

        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
                               OPCODE_COMMON_ENABLE_DISABLE_VF, sizeof(*req),
                               wrb, NULL);

        req->hdr.domain = domain;
        req->enable = 1;
        status = be_mcc_notify_wait(adapter);
err:
        spin_unlock_bh(&adapter->mcc_lock);
        return status;
}

int be_cmd_intr_set(struct be_adapter *adapter, bool intr_enable)
{
        struct be_mcc_wrb *wrb;
        struct be_cmd_req_intr_set *req;
        int status;

        if (mutex_lock_interruptible(&adapter->mbox_lock))
                return -1;

        wrb = wrb_from_mbox(adapter);

        req = embedded_payload(wrb);

        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
                               OPCODE_COMMON_SET_INTERRUPT_ENABLE, sizeof(*req),
                               wrb, NULL);

        req->intr_enabled = intr_enable;

        status = be_mbox_notify_wait(adapter);

        mutex_unlock(&adapter->mbox_lock);
        return status;
}

/* Uses MBOX */
int be_cmd_get_active_profile(struct be_adapter *adapter, u16 *profile_id)
{
        struct be_cmd_req_get_active_profile *req;
        struct be_mcc_wrb *wrb;
        int status;

        if (mutex_lock_interruptible(&adapter->mbox_lock))
                return -1;

        wrb = wrb_from_mbox(adapter);
        if (!wrb) {
                status = -EBUSY;
                goto err;
        }

        req = embedded_payload(wrb);

        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
                               OPCODE_COMMON_GET_ACTIVE_PROFILE, sizeof(*req),
                               wrb, NULL);

        status = be_mbox_notify_wait(adapter);
        if (!status) {
                struct be_cmd_resp_get_active_profile *resp =
                                                        embedded_payload(wrb);

                *profile_id = le16_to_cpu(resp->active_profile_id);
        }

err:
        mutex_unlock(&adapter->mbox_lock);
        return status;
}

static int
__be_cmd_set_logical_link_config(struct be_adapter *adapter,
                                 int link_state, int version, u8 domain)
{
        struct be_cmd_req_set_ll_link *req;
        struct be_mcc_wrb *wrb;
        u32 link_config = 0;
        int status;

        spin_lock_bh(&adapter->mcc_lock);

        wrb = wrb_from_mccq(adapter);
        if (!wrb) {
                status = -EBUSY;
                goto err;
        }

        req = embedded_payload(wrb);

        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
                               OPCODE_COMMON_SET_LOGICAL_LINK_CONFIG,
                               sizeof(*req), wrb, NULL);

        req->hdr.version = version;
        req->hdr.domain = domain;

        if (link_state == IFLA_VF_LINK_STATE_ENABLE ||
            link_state == IFLA_VF_LINK_STATE_AUTO)
                link_config |= PLINK_ENABLE;

        if (link_state == IFLA_VF_LINK_STATE_AUTO)
                link_config |= PLINK_TRACK;

        req->link_config = cpu_to_le32(link_config);

        status = be_mcc_notify_wait(adapter);
err:
        spin_unlock_bh(&adapter->mcc_lock);
        return status;
}

int be_cmd_set_logical_link_config(struct be_adapter *adapter,
                                   int link_state, u8 domain)
{
        int status;

        if (BE2_chip(adapter))
                return -EOPNOTSUPP;

        status = __be_cmd_set_logical_link_config(adapter, link_state,
                                                  2, domain);

        /* Version 2 of the command will not be recognized by older FW.
         * On such a failure issue version 1 of the command.
         */
        if (base_status(status) == MCC_STATUS_ILLEGAL_REQUEST)
                status = __be_cmd_set_logical_link_config(adapter, link_state,
                                                          1, domain);
        return status;
}

int be_cmd_set_features(struct be_adapter *adapter)
{
        struct be_cmd_resp_set_features *resp;
        struct be_cmd_req_set_features *req;
        struct be_mcc_wrb *wrb;
        int status;

        spin_lock_bh(&adapter->mcc_lock);

        wrb = wrb_from_mccq(adapter);
        if (!wrb) {
                status = -EBUSY;
                goto err;
        }

        req = embedded_payload(wrb);

        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
                               OPCODE_COMMON_SET_FEATURES,
                               sizeof(*req), wrb, NULL);

        req->features = cpu_to_le32(BE_FEATURE_UE_RECOVERY);
        req->parameter_len = cpu_to_le32(sizeof(struct be_req_ue_recovery));
        req->parameter.req.uer = cpu_to_le32(BE_UE_RECOVERY_UER_MASK);

        status = be_mcc_notify_wait(adapter);
        if (status)
                goto err;

        resp = embedded_payload(wrb);

        adapter->error_recovery.ue_to_poll_time =
                le16_to_cpu(resp->parameter.resp.ue2rp);
        adapter->error_recovery.ue_to_reset_time =
                le16_to_cpu(resp->parameter.resp.ue2sr);
        adapter->error_recovery.recovery_supported = true;
err:
        /* Checking "MCC_STATUS_INVALID_LENGTH" for SKH as FW
         * returns this error in older firmware versions
         */
        if (base_status(status) == MCC_STATUS_ILLEGAL_REQUEST ||
            base_status(status) == MCC_STATUS_INVALID_LENGTH)
                dev_info(&adapter->pdev->dev,
                         "Adapter does not support HW error recovery\n");

        spin_unlock_bh(&adapter->mcc_lock);
        return status;
}

int be_roce_mcc_cmd(void *netdev_handle, void *wrb_payload,
                    int wrb_payload_size, u16 *cmd_status, u16 *ext_status)
{
        struct be_adapter *adapter = netdev_priv(netdev_handle);
        struct be_mcc_wrb *wrb;
        struct be_cmd_req_hdr *hdr = (struct be_cmd_req_hdr *)wrb_payload;
        struct be_cmd_req_hdr *req;
        struct be_cmd_resp_hdr *resp;
        int status;

        spin_lock_bh(&adapter->mcc_lock);

        wrb = wrb_from_mccq(adapter);
        if (!wrb) {
                status = -EBUSY;
                goto err;
        }
        req = embedded_payload(wrb);
        resp = embedded_payload(wrb);

        be_wrb_cmd_hdr_prepare(req, hdr->subsystem,
                               hdr->opcode, wrb_payload_size, wrb, NULL);
        memcpy(req, wrb_payload, wrb_payload_size);
        be_dws_cpu_to_le(req, wrb_payload_size);

        status = be_mcc_notify_wait(adapter);
        if (cmd_status)
                *cmd_status = (status & 0xffff);
        if (ext_status)
                *ext_status = 0;
        memcpy(wrb_payload, resp, sizeof(*resp) + resp->response_length);
        be_dws_le_to_cpu(wrb_payload, sizeof(*resp) + resp->response_length);
err:
        spin_unlock_bh(&adapter->mcc_lock);
        return status;
}
EXPORT_SYMBOL(be_roce_mcc_cmd);