// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
/* QLogic qed NIC Driver
 * Copyright (c) 2015-2017  QLogic Corporation
 * Copyright (c) 2019-2020 Marvell International Ltd.
 */

#include <linux/etherdevice.h>
#include <linux/crc32.h>
#include <linux/vmalloc.h>
#include <linux/crash_dump.h>
#include <linux/qed/qed_iov_if.h>
#include "qed_cxt.h"
#include "qed_hsi.h"
#include "qed_iro_hsi.h"
#include "qed_hw.h"
#include "qed_init_ops.h"
#include "qed_int.h"
#include "qed_mcp.h"
#include "qed_reg_addr.h"
#include "qed_sp.h"
#include "qed_sriov.h"
#include "qed_vf.h"
static int qed_iov_bulletin_set_mac(struct qed_hwfn *p_hwfn, u8 *mac, int vfid);

static u16 qed_vf_from_entity_id(__le16 entity_id)
{
        return le16_to_cpu(entity_id) - MAX_NUM_PFS;
}

static u8 qed_vf_calculate_legacy(struct qed_vf_info *p_vf)
{
        u8 legacy = 0;

        if (p_vf->acquire.vfdev_info.eth_fp_hsi_minor ==
            ETH_HSI_VER_NO_PKT_LEN_TUNN)
                legacy |= QED_QCID_LEGACY_VF_RX_PROD;

        if (!(p_vf->acquire.vfdev_info.capabilities &
              VFPF_ACQUIRE_CAP_QUEUE_QIDS))
                legacy |= QED_QCID_LEGACY_VF_CID;

        return legacy;
}

/* IOV ramrods */
static int qed_sp_vf_start(struct qed_hwfn *p_hwfn, struct qed_vf_info *p_vf)
{
        struct vf_start_ramrod_data *p_ramrod = NULL;
        struct qed_spq_entry *p_ent = NULL;
        struct qed_sp_init_data init_data;
        int rc = -EINVAL;
        u8 fp_minor;

        /* Get SPQ entry */
        memset(&init_data, 0, sizeof(init_data));
        init_data.cid = qed_spq_get_cid(p_hwfn);
        init_data.opaque_fid = p_vf->opaque_fid;
        init_data.comp_mode = QED_SPQ_MODE_EBLOCK;

        rc = qed_sp_init_request(p_hwfn, &p_ent,
                                 COMMON_RAMROD_VF_START,
                                 PROTOCOLID_COMMON, &init_data);
        if (rc)
                return rc;

        p_ramrod = &p_ent->ramrod.vf_start;

        p_ramrod->vf_id = GET_FIELD(p_vf->concrete_fid, PXP_CONCRETE_FID_VFID);
        p_ramrod->opaque_fid = cpu_to_le16(p_vf->opaque_fid);

        switch (p_hwfn->hw_info.personality) {
        case QED_PCI_ETH:
                p_ramrod->personality = PERSONALITY_ETH;
                break;
        case QED_PCI_ETH_ROCE:
        case QED_PCI_ETH_IWARP:
                p_ramrod->personality = PERSONALITY_RDMA_AND_ETH;
                break;
        default:
                DP_NOTICE(p_hwfn, "Unknown VF personality %d\n",
                          p_hwfn->hw_info.personality);
                qed_sp_destroy_request(p_hwfn, p_ent);
                return -EINVAL;
        }

        fp_minor = p_vf->acquire.vfdev_info.eth_fp_hsi_minor;
        if (fp_minor > ETH_HSI_VER_MINOR &&
            fp_minor != ETH_HSI_VER_NO_PKT_LEN_TUNN) {
                DP_VERBOSE(p_hwfn,
                           QED_MSG_IOV,
                           "VF [%d] - Requested fp hsi %02x.%02x which is slightly newer than PF's %02x.%02x; Configuring PFs version\n",
                           p_vf->abs_vf_id,
                           ETH_HSI_VER_MAJOR,
                           fp_minor, ETH_HSI_VER_MAJOR, ETH_HSI_VER_MINOR);
                fp_minor = ETH_HSI_VER_MINOR;
        }

        p_ramrod->hsi_fp_ver.major_ver_arr[ETH_VER_KEY] = ETH_HSI_VER_MAJOR;
        p_ramrod->hsi_fp_ver.minor_ver_arr[ETH_VER_KEY] = fp_minor;

        DP_VERBOSE(p_hwfn, QED_MSG_IOV,
                   "VF[%d] - Starting using HSI %02x.%02x\n",
                   p_vf->abs_vf_id, ETH_HSI_VER_MAJOR, fp_minor);

        return qed_spq_post(p_hwfn, p_ent, NULL);
}

static int qed_sp_vf_stop(struct qed_hwfn *p_hwfn,
                          u32 concrete_vfid, u16 opaque_vfid)
{
        struct vf_stop_ramrod_data *p_ramrod = NULL;
        struct qed_spq_entry *p_ent = NULL;
        struct qed_sp_init_data init_data;
        int rc = -EINVAL;

        /* Get SPQ entry */
        memset(&init_data, 0, sizeof(init_data));
        init_data.cid = qed_spq_get_cid(p_hwfn);
        init_data.opaque_fid = opaque_vfid;
        init_data.comp_mode = QED_SPQ_MODE_EBLOCK;

        rc = qed_sp_init_request(p_hwfn, &p_ent,
                                 COMMON_RAMROD_VF_STOP,
                                 PROTOCOLID_COMMON, &init_data);
        if (rc)
                return rc;

        p_ramrod = &p_ent->ramrod.vf_stop;

        p_ramrod->vf_id = GET_FIELD(concrete_vfid, PXP_CONCRETE_FID_VFID);

        return qed_spq_post(p_hwfn, p_ent, NULL);
}

bool qed_iov_is_valid_vfid(struct qed_hwfn *p_hwfn,
                           int rel_vf_id,
                           bool b_enabled_only, bool b_non_malicious)
{
        if (!p_hwfn->pf_iov_info) {
                DP_NOTICE(p_hwfn->cdev, "No iov info\n");
                return false;
        }

        if ((rel_vf_id >= p_hwfn->cdev->p_iov_info->total_vfs) ||
            (rel_vf_id < 0))
                return false;

        if ((!p_hwfn->pf_iov_info->vfs_array[rel_vf_id].b_init) &&
            b_enabled_only)
                return false;

        if ((p_hwfn->pf_iov_info->vfs_array[rel_vf_id].b_malicious) &&
            b_non_malicious)
                return false;

        return true;
}

static struct qed_vf_info *qed_iov_get_vf_info(struct qed_hwfn *p_hwfn,
                                               u16 relative_vf_id,
                                               bool b_enabled_only)
{
        struct qed_vf_info *vf = NULL;

        if (!p_hwfn->pf_iov_info) {
                DP_NOTICE(p_hwfn->cdev, "No iov info\n");
                return NULL;
        }

        if (qed_iov_is_valid_vfid(p_hwfn, relative_vf_id,
                                  b_enabled_only, false))
                vf = &p_hwfn->pf_iov_info->vfs_array[relative_vf_id];
        else
                DP_ERR(p_hwfn, "%s: VF[%d] is not enabled\n",
                       __func__, relative_vf_id);

        return vf;
}

static struct qed_queue_cid *
qed_iov_get_vf_rx_queue_cid(struct qed_vf_queue *p_queue)
{
        int i;

        for (i = 0; i < MAX_QUEUES_PER_QZONE; i++) {
                if (p_queue->cids[i].p_cid && !p_queue->cids[i].b_is_tx)
                        return p_queue->cids[i].p_cid;
        }

        return NULL;
}

enum qed_iov_validate_q_mode {
        QED_IOV_VALIDATE_Q_NA,
        QED_IOV_VALIDATE_Q_ENABLE,
        QED_IOV_VALIDATE_Q_DISABLE,
};

static bool qed_iov_validate_queue_mode(struct qed_hwfn *p_hwfn,
                                        struct qed_vf_info *p_vf,
                                        u16 qid,
                                        enum qed_iov_validate_q_mode mode,
                                        bool b_is_tx)
{
        int i;

        if (mode == QED_IOV_VALIDATE_Q_NA)
                return true;

        for (i = 0; i < MAX_QUEUES_PER_QZONE; i++) {
                struct qed_vf_queue_cid *p_qcid;

                p_qcid = &p_vf->vf_queues[qid].cids[i];

                if (!p_qcid->p_cid)
                        continue;

                if (p_qcid->b_is_tx != b_is_tx)
                        continue;

                return mode == QED_IOV_VALIDATE_Q_ENABLE;
        }

        /* In case we haven't found any valid cid, then its disabled */
        return mode == QED_IOV_VALIDATE_Q_DISABLE;
}

static bool qed_iov_validate_rxq(struct qed_hwfn *p_hwfn,
                                 struct qed_vf_info *p_vf,
                                 u16 rx_qid,
                                 enum qed_iov_validate_q_mode mode)
{
        if (rx_qid >= p_vf->num_rxqs) {
                DP_VERBOSE(p_hwfn,
                           QED_MSG_IOV,
                           "VF[0x%02x] - can't touch Rx queue[%04x]; Only 0x%04x are allocated\n",
                           p_vf->abs_vf_id, rx_qid, p_vf->num_rxqs);
                return false;
        }

        return qed_iov_validate_queue_mode(p_hwfn, p_vf, rx_qid, mode, false);
}

static bool qed_iov_validate_txq(struct qed_hwfn *p_hwfn,
                                 struct qed_vf_info *p_vf,
                                 u16 tx_qid,
                                 enum qed_iov_validate_q_mode mode)
{
        if (tx_qid >= p_vf->num_txqs) {
                DP_VERBOSE(p_hwfn,
                           QED_MSG_IOV,
                           "VF[0x%02x] - can't touch Tx queue[%04x]; Only 0x%04x are allocated\n",
                           p_vf->abs_vf_id, tx_qid, p_vf->num_txqs);
                return false;
        }

        return qed_iov_validate_queue_mode(p_hwfn, p_vf, tx_qid, mode, true);
}

static bool qed_iov_validate_sb(struct qed_hwfn *p_hwfn,
                                struct qed_vf_info *p_vf, u16 sb_idx)
{
        int i;

        for (i = 0; i < p_vf->num_sbs; i++)
                if (p_vf->igu_sbs[i] == sb_idx)
                        return true;

        DP_VERBOSE(p_hwfn,
                   QED_MSG_IOV,
                   "VF[0%02x] - tried using sb_idx %04x which doesn't exist as one of its 0x%02x SBs\n",
                   p_vf->abs_vf_id, sb_idx, p_vf->num_sbs);

        return false;
}

static bool qed_iov_validate_active_rxq(struct qed_hwfn *p_hwfn,
                                        struct qed_vf_info *p_vf)
{
        u8 i;

        for (i = 0; i < p_vf->num_rxqs; i++)
                if (qed_iov_validate_queue_mode(p_hwfn, p_vf, i,
                                                QED_IOV_VALIDATE_Q_ENABLE,
                                                false))
                        return true;

        return false;
}

static bool qed_iov_validate_active_txq(struct qed_hwfn *p_hwfn,
                                        struct qed_vf_info *p_vf)
{
        u8 i;

        for (i = 0; i < p_vf->num_txqs; i++)
                if (qed_iov_validate_queue_mode(p_hwfn, p_vf, i,
                                                QED_IOV_VALIDATE_Q_ENABLE,
                                                true))
                        return true;

        return false;
}

static int qed_iov_post_vf_bulletin(struct qed_hwfn *p_hwfn,
                                    int vfid, struct qed_ptt *p_ptt)
{
        struct qed_bulletin_content *p_bulletin;
        int crc_size = sizeof(p_bulletin->crc);
        struct qed_dmae_params params;
        struct qed_vf_info *p_vf;

        p_vf = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true);
        if (!p_vf)
                return -EINVAL;

        if (!p_vf->vf_bulletin)
                return -EINVAL;

        p_bulletin = p_vf->bulletin.p_virt;

        /* Increment bulletin board version and compute crc */
        p_bulletin->version++;
        p_bulletin->crc = crc32(0, (u8 *)p_bulletin + crc_size,
                                p_vf->bulletin.size - crc_size);

        DP_VERBOSE(p_hwfn, QED_MSG_IOV,
                   "Posting Bulletin 0x%08x to VF[%d] (CRC 0x%08x)\n",
                   p_bulletin->version, p_vf->relative_vf_id, p_bulletin->crc);

        /* propagate bulletin board via dmae to vm memory */
        memset(&params, 0, sizeof(params));
        SET_FIELD(params.flags, QED_DMAE_PARAMS_DST_VF_VALID, 0x1);
        params.dst_vfid = p_vf->abs_vf_id;
        return qed_dmae_host2host(p_hwfn, p_ptt, p_vf->bulletin.phys,
                                  p_vf->vf_bulletin, p_vf->bulletin.size / 4,
                                  &params);
}

static int qed_iov_pci_cfg_info(struct qed_dev *cdev)
{
        struct qed_hw_sriov_info *iov = cdev->p_iov_info;
        int pos = iov->pos;

        DP_VERBOSE(cdev, QED_MSG_IOV, "sriov ext pos %d\n", pos);
        pci_read_config_word(cdev->pdev, pos + PCI_SRIOV_CTRL, &iov->ctrl);

        pci_read_config_word(cdev->pdev,
                             pos + PCI_SRIOV_TOTAL_VF, &iov->total_vfs);
        pci_read_config_word(cdev->pdev,
                             pos + PCI_SRIOV_INITIAL_VF, &iov->initial_vfs);

        pci_read_config_word(cdev->pdev, pos + PCI_SRIOV_NUM_VF, &iov->num_vfs);
        if (iov->num_vfs) {
                DP_VERBOSE(cdev,
                           QED_MSG_IOV,
                           "Number of VFs are already set to non-zero value. Ignoring PCI configuration value\n");
                iov->num_vfs = 0;
        }

        pci_read_config_word(cdev->pdev,
                             pos + PCI_SRIOV_VF_OFFSET, &iov->offset);

        pci_read_config_word(cdev->pdev,
                             pos + PCI_SRIOV_VF_STRIDE, &iov->stride);

        pci_read_config_word(cdev->pdev,
                             pos + PCI_SRIOV_VF_DID, &iov->vf_device_id);

        pci_read_config_dword(cdev->pdev,
                              pos + PCI_SRIOV_SUP_PGSIZE, &iov->pgsz);

        pci_read_config_dword(cdev->pdev, pos + PCI_SRIOV_CAP, &iov->cap);

        pci_read_config_byte(cdev->pdev, pos + PCI_SRIOV_FUNC_LINK, &iov->link);

        DP_VERBOSE(cdev,
                   QED_MSG_IOV,
                   "IOV info: nres %d, cap 0x%x, ctrl 0x%x, total %d, initial %d, num vfs %d, offset %d, stride %d, page size 0x%x\n",
                   iov->nres,
                   iov->cap,
                   iov->ctrl,
                   iov->total_vfs,
                   iov->initial_vfs,
                   iov->nr_virtfn, iov->offset, iov->stride, iov->pgsz);

        /* Some sanity checks */
        if (iov->num_vfs > NUM_OF_VFS(cdev) ||
            iov->total_vfs > NUM_OF_VFS(cdev)) {
                /* This can happen only due to a bug. In this case we set
                 * num_vfs to zero to avoid memory corruption in the code that
                 * assumes max number of vfs
                 */
                DP_NOTICE(cdev,
                          "IOV: Unexpected number of vfs set: %d setting num_vf to zero\n",
                          iov->num_vfs);

                iov->num_vfs = 0;
                iov->total_vfs = 0;
        }

        return 0;
}

static void qed_iov_setup_vfdb(struct qed_hwfn *p_hwfn)
{
        struct qed_hw_sriov_info *p_iov = p_hwfn->cdev->p_iov_info;
        struct qed_pf_iov *p_iov_info = p_hwfn->pf_iov_info;
        struct qed_bulletin_content *p_bulletin_virt;
        dma_addr_t req_p, rply_p, bulletin_p;
        union pfvf_tlvs *p_reply_virt_addr;
        union vfpf_tlvs *p_req_virt_addr;
        u8 idx = 0;

        memset(p_iov_info->vfs_array, 0, sizeof(p_iov_info->vfs_array));

        p_req_virt_addr = p_iov_info->mbx_msg_virt_addr;
        req_p = p_iov_info->mbx_msg_phys_addr;
        p_reply_virt_addr = p_iov_info->mbx_reply_virt_addr;
        rply_p = p_iov_info->mbx_reply_phys_addr;
        p_bulletin_virt = p_iov_info->p_bulletins;
        bulletin_p = p_iov_info->bulletins_phys;
        if (!p_req_virt_addr || !p_reply_virt_addr || !p_bulletin_virt) {
                DP_ERR(p_hwfn,
                       "%s called without allocating mem first\n", __func__);
                return;
        }

        for (idx = 0; idx < p_iov->total_vfs; idx++) {
                struct qed_vf_info *vf = &p_iov_info->vfs_array[idx];
                u32 concrete;

                vf->vf_mbx.req_virt = p_req_virt_addr + idx;
                vf->vf_mbx.req_phys = req_p + idx * sizeof(union vfpf_tlvs);
                vf->vf_mbx.reply_virt = p_reply_virt_addr + idx;
                vf->vf_mbx.reply_phys = rply_p + idx * sizeof(union pfvf_tlvs);

                vf->state = VF_STOPPED;
                vf->b_init = false;

                vf->bulletin.phys = idx *
                                    sizeof(struct qed_bulletin_content) +
                                    bulletin_p;
                vf->bulletin.p_virt = p_bulletin_virt + idx;
                vf->bulletin.size = sizeof(struct qed_bulletin_content);

                vf->relative_vf_id = idx;
                vf->abs_vf_id = idx + p_iov->first_vf_in_pf;
                concrete = qed_vfid_to_concrete(p_hwfn, vf->abs_vf_id);
                vf->concrete_fid = concrete;
                vf->opaque_fid = (p_hwfn->hw_info.opaque_fid & 0xff) |
                                 (vf->abs_vf_id << 8);
                vf->vport_id = idx + 1;

                vf->num_mac_filters = QED_ETH_VF_NUM_MAC_FILTERS;
                vf->num_vlan_filters = QED_ETH_VF_NUM_VLAN_FILTERS;
        }
}

static int qed_iov_allocate_vfdb(struct qed_hwfn *p_hwfn)
{
        struct qed_pf_iov *p_iov_info = p_hwfn->pf_iov_info;
        void **p_v_addr;
        u16 num_vfs = 0;

        num_vfs = p_hwfn->cdev->p_iov_info->total_vfs;

        DP_VERBOSE(p_hwfn, QED_MSG_IOV,
                   "%s for %d VFs\n", __func__, num_vfs);

        /* Allocate PF Mailbox buffer (per-VF) */
        p_iov_info->mbx_msg_size = sizeof(union vfpf_tlvs) * num_vfs;
        p_v_addr = &p_iov_info->mbx_msg_virt_addr;
        *p_v_addr = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
                                       p_iov_info->mbx_msg_size,
                                       &p_iov_info->mbx_msg_phys_addr,
                                       GFP_KERNEL);
        if (!*p_v_addr)
                return -ENOMEM;

        /* Allocate PF Mailbox Reply buffer (per-VF) */
        p_iov_info->mbx_reply_size = sizeof(union pfvf_tlvs) * num_vfs;
        p_v_addr = &p_iov_info->mbx_reply_virt_addr;
        *p_v_addr = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
                                       p_iov_info->mbx_reply_size,
                                       &p_iov_info->mbx_reply_phys_addr,
                                       GFP_KERNEL);
        if (!*p_v_addr)
                return -ENOMEM;

        p_iov_info->bulletins_size = sizeof(struct qed_bulletin_content) *
                                     num_vfs;
        p_v_addr = &p_iov_info->p_bulletins;
        *p_v_addr = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
                                       p_iov_info->bulletins_size,
                                       &p_iov_info->bulletins_phys,
                                       GFP_KERNEL);
        if (!*p_v_addr)
                return -ENOMEM;

        DP_VERBOSE(p_hwfn,
                   QED_MSG_IOV,
                   "PF's Requests mailbox [%p virt 0x%llx phys],  Response mailbox [%p virt 0x%llx phys] Bulletins [%p virt 0x%llx phys]\n",
                   p_iov_info->mbx_msg_virt_addr,
                   (u64)p_iov_info->mbx_msg_phys_addr,
                   p_iov_info->mbx_reply_virt_addr,
                   (u64)p_iov_info->mbx_reply_phys_addr,
                   p_iov_info->p_bulletins, (u64)p_iov_info->bulletins_phys);

        return 0;
}

static void qed_iov_free_vfdb(struct qed_hwfn *p_hwfn)
{
        struct qed_pf_iov *p_iov_info = p_hwfn->pf_iov_info;

        if (p_hwfn->pf_iov_info->mbx_msg_virt_addr)
                dma_free_coherent(&p_hwfn->cdev->pdev->dev,
                                  p_iov_info->mbx_msg_size,
                                  p_iov_info->mbx_msg_virt_addr,
                                  p_iov_info->mbx_msg_phys_addr);

        if (p_hwfn->pf_iov_info->mbx_reply_virt_addr)
                dma_free_coherent(&p_hwfn->cdev->pdev->dev,
                                  p_iov_info->mbx_reply_size,
                                  p_iov_info->mbx_reply_virt_addr,
                                  p_iov_info->mbx_reply_phys_addr);

        if (p_iov_info->p_bulletins)
                dma_free_coherent(&p_hwfn->cdev->pdev->dev,
                                  p_iov_info->bulletins_size,
                                  p_iov_info->p_bulletins,
                                  p_iov_info->bulletins_phys);
}

int qed_iov_alloc(struct qed_hwfn *p_hwfn)
{
        struct qed_pf_iov *p_sriov;

        if (!IS_PF_SRIOV(p_hwfn)) {
                DP_VERBOSE(p_hwfn, QED_MSG_IOV,
                           "No SR-IOV - no need for IOV db\n");
                return 0;
        }

        p_sriov = kzalloc_obj(*p_sriov);
        if (!p_sriov)
                return -ENOMEM;

        p_hwfn->pf_iov_info = p_sriov;

        qed_spq_register_async_cb(p_hwfn, PROTOCOLID_COMMON,
                                  qed_sriov_eqe_event);

        return qed_iov_allocate_vfdb(p_hwfn);
}

void qed_iov_setup(struct qed_hwfn *p_hwfn)
{
        if (!IS_PF_SRIOV(p_hwfn) || !IS_PF_SRIOV_ALLOC(p_hwfn))
                return;

        qed_iov_setup_vfdb(p_hwfn);
}

void qed_iov_free(struct qed_hwfn *p_hwfn)
{
        qed_spq_unregister_async_cb(p_hwfn, PROTOCOLID_COMMON);

        if (IS_PF_SRIOV_ALLOC(p_hwfn)) {
                qed_iov_free_vfdb(p_hwfn);
                kfree(p_hwfn->pf_iov_info);
        }
}

void qed_iov_free_hw_info(struct qed_dev *cdev)
{
        kfree(cdev->p_iov_info);
        cdev->p_iov_info = NULL;
}

int qed_iov_hw_info(struct qed_hwfn *p_hwfn)
{
        struct qed_dev *cdev = p_hwfn->cdev;
        int pos;
        int rc;

        if (is_kdump_kernel())
                return 0;

        if (IS_VF(p_hwfn->cdev))
                return 0;

        /* Learn the PCI configuration */
        pos = pci_find_ext_capability(p_hwfn->cdev->pdev,
                                      PCI_EXT_CAP_ID_SRIOV);
        if (!pos) {
                DP_VERBOSE(p_hwfn, QED_MSG_IOV, "No PCIe IOV support\n");
                return 0;
        }

        /* Allocate a new struct for IOV information */
        cdev->p_iov_info = kzalloc_obj(*cdev->p_iov_info);
        if (!cdev->p_iov_info)
                return -ENOMEM;

        cdev->p_iov_info->pos = pos;

        rc = qed_iov_pci_cfg_info(cdev);
        if (rc)
                return rc;

        /* We want PF IOV to be synonemous with the existence of p_iov_info;
         * In case the capability is published but there are no VFs, simply
         * de-allocate the struct.
         */
        if (!cdev->p_iov_info->total_vfs) {
                DP_VERBOSE(p_hwfn, QED_MSG_IOV,
                           "IOV capabilities, but no VFs are published\n");
                kfree(cdev->p_iov_info);
                cdev->p_iov_info = NULL;
                return 0;
        }

        /* First VF index based on offset is tricky:
         *  - If ARI is supported [likely], offset - (16 - pf_id) would
         *    provide the number for eng0. 2nd engine Vfs would begin
         *    after the first engine's VFs.
         *  - If !ARI, VFs would start on next device.
         *    so offset - (256 - pf_id) would provide the number.
         * Utilize the fact that (256 - pf_id) is achieved only by later
         * to differentiate between the two.
         */

        if (p_hwfn->cdev->p_iov_info->offset < (256 - p_hwfn->abs_pf_id)) {
                u32 first = p_hwfn->cdev->p_iov_info->offset +
                            p_hwfn->abs_pf_id - 16;

                cdev->p_iov_info->first_vf_in_pf = first;

                if (QED_PATH_ID(p_hwfn))
                        cdev->p_iov_info->first_vf_in_pf -= MAX_NUM_VFS_BB;
        } else {
                u32 first = p_hwfn->cdev->p_iov_info->offset +
                            p_hwfn->abs_pf_id - 256;

                cdev->p_iov_info->first_vf_in_pf = first;
        }

        DP_VERBOSE(p_hwfn, QED_MSG_IOV,
                   "First VF in hwfn 0x%08x\n",
                   cdev->p_iov_info->first_vf_in_pf);

        return 0;
}

static bool _qed_iov_pf_sanity_check(struct qed_hwfn *p_hwfn,
                                     int vfid, bool b_fail_malicious)
{
        /* Check PF supports sriov */
        if (IS_VF(p_hwfn->cdev) || !IS_QED_SRIOV(p_hwfn->cdev) ||
            !IS_PF_SRIOV_ALLOC(p_hwfn))
                return false;

        /* Check VF validity */
        if (!qed_iov_is_valid_vfid(p_hwfn, vfid, true, b_fail_malicious))
                return false;

        return true;
}

static bool qed_iov_pf_sanity_check(struct qed_hwfn *p_hwfn, int vfid)
{
        return _qed_iov_pf_sanity_check(p_hwfn, vfid, true);
}

static void qed_iov_set_vf_to_disable(struct qed_dev *cdev,
                                      u16 rel_vf_id, u8 to_disable)
{
        struct qed_vf_info *vf;
        int i;

        for_each_hwfn(cdev, i) {
                struct qed_hwfn *p_hwfn = &cdev->hwfns[i];

                vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, false);
                if (!vf)
                        continue;

                vf->to_disable = to_disable;
        }
}

static void qed_iov_set_vfs_to_disable(struct qed_dev *cdev, u8 to_disable)
{
        u16 i;

        if (!IS_QED_SRIOV(cdev))
                return;

        for (i = 0; i < cdev->p_iov_info->total_vfs; i++)
                qed_iov_set_vf_to_disable(cdev, i, to_disable);
}

static void qed_iov_vf_pglue_clear_err(struct qed_hwfn *p_hwfn,
                                       struct qed_ptt *p_ptt, u8 abs_vfid)
{
        qed_wr(p_hwfn, p_ptt,
               PGLUE_B_REG_WAS_ERROR_VF_31_0_CLR + (abs_vfid >> 5) * 4,
               1 << (abs_vfid & 0x1f));
}

static void qed_iov_vf_igu_reset(struct qed_hwfn *p_hwfn,
                                 struct qed_ptt *p_ptt, struct qed_vf_info *vf)
{
        int i;

        /* Set VF masks and configuration - pretend */
        qed_fid_pretend(p_hwfn, p_ptt, (u16)vf->concrete_fid);

        qed_wr(p_hwfn, p_ptt, IGU_REG_STATISTIC_NUM_VF_MSG_SENT, 0);

        /* unpretend */
        qed_fid_pretend(p_hwfn, p_ptt, (u16)p_hwfn->hw_info.concrete_fid);

        /* iterate over all queues, clear sb consumer */
        for (i = 0; i < vf->num_sbs; i++)
                qed_int_igu_init_pure_rt_single(p_hwfn, p_ptt,
                                                vf->igu_sbs[i],
                                                vf->opaque_fid, true);
}

static void qed_iov_vf_igu_set_int(struct qed_hwfn *p_hwfn,
                                   struct qed_ptt *p_ptt,
                                   struct qed_vf_info *vf, bool enable)
{
        u32 igu_vf_conf;

        qed_fid_pretend(p_hwfn, p_ptt, (u16)vf->concrete_fid);

        igu_vf_conf = qed_rd(p_hwfn, p_ptt, IGU_REG_VF_CONFIGURATION);

        if (enable)
                igu_vf_conf |= IGU_VF_CONF_MSI_MSIX_EN;
        else
                igu_vf_conf &= ~IGU_VF_CONF_MSI_MSIX_EN;

        qed_wr(p_hwfn, p_ptt, IGU_REG_VF_CONFIGURATION, igu_vf_conf);

        /* unpretend */
        qed_fid_pretend(p_hwfn, p_ptt, (u16)p_hwfn->hw_info.concrete_fid);
}

static int
qed_iov_enable_vf_access_msix(struct qed_hwfn *p_hwfn,
                              struct qed_ptt *p_ptt, u8 abs_vf_id, u8 num_sbs)
{
        u8 current_max = 0;
        int i;

        /* For AH onward, configuration is per-PF. Find maximum of all
         * the currently enabled child VFs, and set the number to be that.
         */
        if (!QED_IS_BB(p_hwfn->cdev)) {
                qed_for_each_vf(p_hwfn, i) {
                        struct qed_vf_info *p_vf;

                        p_vf = qed_iov_get_vf_info(p_hwfn, (u16)i, true);
                        if (!p_vf)
                                continue;

                        current_max = max_t(u8, current_max, p_vf->num_sbs);
                }
        }

        if (num_sbs > current_max)
                return qed_mcp_config_vf_msix(p_hwfn, p_ptt,
                                              abs_vf_id, num_sbs);

        return 0;
}

static int qed_iov_enable_vf_access(struct qed_hwfn *p_hwfn,
                                    struct qed_ptt *p_ptt,
                                    struct qed_vf_info *vf)
{
        u32 igu_vf_conf = IGU_VF_CONF_FUNC_EN;
        int rc;

        /* It's possible VF was previously considered malicious -
         * clear the indication even if we're only going to disable VF.
         */
        vf->b_malicious = false;

        if (vf->to_disable)
                return 0;

        DP_VERBOSE(p_hwfn,
                   QED_MSG_IOV,
                   "Enable internal access for vf %x [abs %x]\n",
                   vf->abs_vf_id, QED_VF_ABS_ID(p_hwfn, vf));

        qed_iov_vf_pglue_clear_err(p_hwfn, p_ptt, QED_VF_ABS_ID(p_hwfn, vf));

        qed_iov_vf_igu_reset(p_hwfn, p_ptt, vf);

        rc = qed_iov_enable_vf_access_msix(p_hwfn, p_ptt,
                                           vf->abs_vf_id, vf->num_sbs);
        if (rc)
                return rc;

        qed_fid_pretend(p_hwfn, p_ptt, (u16)vf->concrete_fid);

        SET_FIELD(igu_vf_conf, IGU_VF_CONF_PARENT, p_hwfn->rel_pf_id);
        STORE_RT_REG(p_hwfn, IGU_REG_VF_CONFIGURATION_RT_OFFSET, igu_vf_conf);

        qed_init_run(p_hwfn, p_ptt, PHASE_VF, vf->abs_vf_id,
                     p_hwfn->hw_info.hw_mode);

        /* unpretend */
        qed_fid_pretend(p_hwfn, p_ptt, (u16)p_hwfn->hw_info.concrete_fid);

        vf->state = VF_FREE;

        return rc;
}

/**
 * qed_iov_config_perm_table() - Configure the permission zone table.
 *
 * @p_hwfn: HW device data.
 * @p_ptt: PTT window for writing the registers.
 * @vf: VF info data.
 * @enable: The actual permission for this VF.
 *
 * In E4, queue zone permission table size is 320x9. There
 * are 320 VF queues for single engine device (256 for dual
 * engine device), and each entry has the following format:
 * {Valid, VF[7:0]}
 */
static void qed_iov_config_perm_table(struct qed_hwfn *p_hwfn,
                                      struct qed_ptt *p_ptt,
                                      struct qed_vf_info *vf, u8 enable)
{
        u32 reg_addr, val;
        u16 qzone_id = 0;
        int qid;

        for (qid = 0; qid < vf->num_rxqs; qid++) {
                qed_fw_l2_queue(p_hwfn, vf->vf_queues[qid].fw_rx_qid,
                                &qzone_id);

                reg_addr = PSWHST_REG_ZONE_PERMISSION_TABLE + qzone_id * 4;
                val = enable ? (vf->abs_vf_id | BIT(8)) : 0;
                qed_wr(p_hwfn, p_ptt, reg_addr, val);
        }
}

static void qed_iov_enable_vf_traffic(struct qed_hwfn *p_hwfn,
                                      struct qed_ptt *p_ptt,
                                      struct qed_vf_info *vf)
{
        /* Reset vf in IGU - interrupts are still disabled */
        qed_iov_vf_igu_reset(p_hwfn, p_ptt, vf);

        qed_iov_vf_igu_set_int(p_hwfn, p_ptt, vf, 1);

        /* Permission Table */
        qed_iov_config_perm_table(p_hwfn, p_ptt, vf, true);
}

static u8 qed_iov_alloc_vf_igu_sbs(struct qed_hwfn *p_hwfn,
                                   struct qed_ptt *p_ptt,
                                   struct qed_vf_info *vf, u16 num_rx_queues)
{
        struct qed_igu_block *p_block;
        struct cau_sb_entry sb_entry;
        int qid = 0;
        u32 val = 0;

        if (num_rx_queues > p_hwfn->hw_info.p_igu_info->usage.free_cnt_iov)
                num_rx_queues = p_hwfn->hw_info.p_igu_info->usage.free_cnt_iov;
        p_hwfn->hw_info.p_igu_info->usage.free_cnt_iov -= num_rx_queues;

        SET_FIELD(val, IGU_MAPPING_LINE_FUNCTION_NUMBER, vf->abs_vf_id);
        SET_FIELD(val, IGU_MAPPING_LINE_VALID, 1);
        SET_FIELD(val, IGU_MAPPING_LINE_PF_VALID, 0);

        for (qid = 0; qid < num_rx_queues; qid++) {
                p_block = qed_get_igu_free_sb(p_hwfn, false);
                vf->igu_sbs[qid] = p_block->igu_sb_id;
                p_block->status &= ~QED_IGU_STATUS_FREE;
                SET_FIELD(val, IGU_MAPPING_LINE_VECTOR_NUMBER, qid);

                qed_wr(p_hwfn, p_ptt,
                       IGU_REG_MAPPING_MEMORY +
                       sizeof(u32) * p_block->igu_sb_id, val);

                /* Configure igu sb in CAU which were marked valid */
                qed_init_cau_sb_entry(p_hwfn, &sb_entry,
                                      p_hwfn->rel_pf_id, vf->abs_vf_id, 1);

                qed_dmae_host2grc(p_hwfn, p_ptt,
                                  (u64)(uintptr_t)&sb_entry,
                                  CAU_REG_SB_VAR_MEMORY +
                                  p_block->igu_sb_id * sizeof(u64), 2, NULL);
        }

        vf->num_sbs = (u8)num_rx_queues;

        return vf->num_sbs;
}

static void qed_iov_free_vf_igu_sbs(struct qed_hwfn *p_hwfn,
                                    struct qed_ptt *p_ptt,
                                    struct qed_vf_info *vf)
{
        struct qed_igu_info *p_info = p_hwfn->hw_info.p_igu_info;
        int idx, igu_id;
        u32 addr, val;

        /* Invalidate igu CAM lines and mark them as free */
        for (idx = 0; idx < vf->num_sbs; idx++) {
                igu_id = vf->igu_sbs[idx];
                addr = IGU_REG_MAPPING_MEMORY + sizeof(u32) * igu_id;

                val = qed_rd(p_hwfn, p_ptt, addr);
                SET_FIELD(val, IGU_MAPPING_LINE_VALID, 0);
                qed_wr(p_hwfn, p_ptt, addr, val);

                p_info->entry[igu_id].status |= QED_IGU_STATUS_FREE;
                p_hwfn->hw_info.p_igu_info->usage.free_cnt_iov++;
        }

        vf->num_sbs = 0;
}

static void qed_iov_set_link(struct qed_hwfn *p_hwfn,
                             u16 vfid,
                             struct qed_mcp_link_params *params,
                             struct qed_mcp_link_state *link,
                             struct qed_mcp_link_capabilities *p_caps)
{
        struct qed_vf_info *p_vf = qed_iov_get_vf_info(p_hwfn,
                                                       vfid,
                                                       false);
        struct qed_bulletin_content *p_bulletin;

        if (!p_vf)
                return;

        p_bulletin = p_vf->bulletin.p_virt;
        p_bulletin->req_autoneg = params->speed.autoneg;
        p_bulletin->req_adv_speed = params->speed.advertised_speeds;
        p_bulletin->req_forced_speed = params->speed.forced_speed;
        p_bulletin->req_autoneg_pause = params->pause.autoneg;
        p_bulletin->req_forced_rx = params->pause.forced_rx;
        p_bulletin->req_forced_tx = params->pause.forced_tx;
        p_bulletin->req_loopback = params->loopback_mode;

        p_bulletin->link_up = link->link_up;
        p_bulletin->speed = link->speed;
        p_bulletin->full_duplex = link->full_duplex;
        p_bulletin->autoneg = link->an;
        p_bulletin->autoneg_complete = link->an_complete;
        p_bulletin->parallel_detection = link->parallel_detection;
        p_bulletin->pfc_enabled = link->pfc_enabled;
        p_bulletin->partner_adv_speed = link->partner_adv_speed;
        p_bulletin->partner_tx_flow_ctrl_en = link->partner_tx_flow_ctrl_en;
        p_bulletin->partner_rx_flow_ctrl_en = link->partner_rx_flow_ctrl_en;
        p_bulletin->partner_adv_pause = link->partner_adv_pause;
        p_bulletin->sfp_tx_fault = link->sfp_tx_fault;

        p_bulletin->capability_speed = p_caps->speed_capabilities;
}

static int qed_iov_init_hw_for_vf(struct qed_hwfn *p_hwfn,
                                  struct qed_ptt *p_ptt,
                                  struct qed_iov_vf_init_params *p_params)
{
        struct qed_mcp_link_capabilities link_caps;
        struct qed_mcp_link_params link_params;
        struct qed_mcp_link_state link_state;
        u8 num_of_vf_avaiable_chains = 0;
        struct qed_vf_info *vf = NULL;
        u16 qid, num_irqs;
        int rc = 0;
        u32 cids;
        u8 i;

        vf = qed_iov_get_vf_info(p_hwfn, p_params->rel_vf_id, false);
        if (!vf) {
                DP_ERR(p_hwfn, "%s : vf is NULL\n", __func__);
                return -EINVAL;
        }

        if (vf->b_init) {
                DP_NOTICE(p_hwfn, "VF[%d] is already active.\n",
                          p_params->rel_vf_id);
                return -EINVAL;
        }

        /* Perform sanity checking on the requested queue_id */
        for (i = 0; i < p_params->num_queues; i++) {
                u16 min_vf_qzone = FEAT_NUM(p_hwfn, QED_PF_L2_QUE);
                u16 max_vf_qzone = min_vf_qzone +
                    FEAT_NUM(p_hwfn, QED_VF_L2_QUE) - 1;

                qid = p_params->req_rx_queue[i];
                if (qid < min_vf_qzone || qid > max_vf_qzone) {
                        DP_NOTICE(p_hwfn,
                                  "Can't enable Rx qid [%04x] for VF[%d]: qids [0x%04x,...,0x%04x] available\n",
                                  qid,
                                  p_params->rel_vf_id,
                                  min_vf_qzone, max_vf_qzone);
                        return -EINVAL;
                }

                qid = p_params->req_tx_queue[i];
                if (qid > max_vf_qzone) {
                        DP_NOTICE(p_hwfn,
                                  "Can't enable Tx qid [%04x] for VF[%d]: max qid 0x%04x\n",
                                  qid, p_params->rel_vf_id, max_vf_qzone);
                        return -EINVAL;
                }

                /* If client *really* wants, Tx qid can be shared with PF */
                if (qid < min_vf_qzone)
                        DP_VERBOSE(p_hwfn,
                                   QED_MSG_IOV,
                                   "VF[%d] is using PF qid [0x%04x] for Txq[0x%02x]\n",
                                   p_params->rel_vf_id, qid, i);
        }

        /* Limit number of queues according to number of CIDs */
        qed_cxt_get_proto_cid_count(p_hwfn, PROTOCOLID_ETH, &cids);
        DP_VERBOSE(p_hwfn,
                   QED_MSG_IOV,
                   "VF[%d] - requesting to initialize for 0x%04x queues [0x%04x CIDs available]\n",
                   vf->relative_vf_id, p_params->num_queues, (u16)cids);
        num_irqs = min_t(u16, p_params->num_queues, ((u16)cids));

        num_of_vf_avaiable_chains = qed_iov_alloc_vf_igu_sbs(p_hwfn,
                                                             p_ptt,
                                                             vf, num_irqs);
        if (!num_of_vf_avaiable_chains) {
                DP_ERR(p_hwfn, "no available igu sbs\n");
                return -ENOMEM;
        }

        /* Choose queue number and index ranges */
        vf->num_rxqs = num_of_vf_avaiable_chains;
        vf->num_txqs = num_of_vf_avaiable_chains;

        for (i = 0; i < vf->num_rxqs; i++) {
                struct qed_vf_queue *p_queue = &vf->vf_queues[i];

                p_queue->fw_rx_qid = p_params->req_rx_queue[i];
                p_queue->fw_tx_qid = p_params->req_tx_queue[i];

                DP_VERBOSE(p_hwfn, QED_MSG_IOV,
                           "VF[%d] - Q[%d] SB %04x, qid [Rx %04x Tx %04x]\n",
                           vf->relative_vf_id, i, vf->igu_sbs[i],
                           p_queue->fw_rx_qid, p_queue->fw_tx_qid);
        }

        /* Update the link configuration in bulletin */
        memcpy(&link_params, qed_mcp_get_link_params(p_hwfn),
               sizeof(link_params));
        memcpy(&link_state, qed_mcp_get_link_state(p_hwfn), sizeof(link_state));
        memcpy(&link_caps, qed_mcp_get_link_capabilities(p_hwfn),
               sizeof(link_caps));
        qed_iov_set_link(p_hwfn, p_params->rel_vf_id,
                         &link_params, &link_state, &link_caps);

        rc = qed_iov_enable_vf_access(p_hwfn, p_ptt, vf);
        if (!rc) {
                vf->b_init = true;

                if (IS_LEAD_HWFN(p_hwfn))
                        p_hwfn->cdev->p_iov_info->num_vfs++;
        }

        return rc;
}

static int qed_iov_release_hw_for_vf(struct qed_hwfn *p_hwfn,
                                     struct qed_ptt *p_ptt, u16 rel_vf_id)
{
        struct qed_mcp_link_capabilities caps;
        struct qed_mcp_link_params params;
        struct qed_mcp_link_state link;
        struct qed_vf_info *vf = NULL;

        vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, true);
        if (!vf) {
                DP_ERR(p_hwfn, "%s : vf is NULL\n", __func__);
                return -EINVAL;
        }

        if (vf->bulletin.p_virt)
                memset(vf->bulletin.p_virt, 0, sizeof(*vf->bulletin.p_virt));

        memset(&vf->p_vf_info, 0, sizeof(vf->p_vf_info));

        /* Get the link configuration back in bulletin so
         * that when VFs are re-enabled they get the actual
         * link configuration.
         */
        memcpy(&params, qed_mcp_get_link_params(p_hwfn), sizeof(params));
        memcpy(&link, qed_mcp_get_link_state(p_hwfn), sizeof(link));
        memcpy(&caps, qed_mcp_get_link_capabilities(p_hwfn), sizeof(caps));
        qed_iov_set_link(p_hwfn, rel_vf_id, &params, &link, &caps);

        /* Forget the VF's acquisition message */
        memset(&vf->acquire, 0, sizeof(vf->acquire));

        /* disablng interrupts and resetting permission table was done during
         * vf-close, however, we could get here without going through vf_close
         */
        /* Disable Interrupts for VF */
        qed_iov_vf_igu_set_int(p_hwfn, p_ptt, vf, 0);

        /* Reset Permission table */
        qed_iov_config_perm_table(p_hwfn, p_ptt, vf, 0);

        vf->num_rxqs = 0;
        vf->num_txqs = 0;
        qed_iov_free_vf_igu_sbs(p_hwfn, p_ptt, vf);

        if (vf->b_init) {
                vf->b_init = false;

                if (IS_LEAD_HWFN(p_hwfn))
                        p_hwfn->cdev->p_iov_info->num_vfs--;
        }

        return 0;
}

static bool qed_iov_tlv_supported(u16 tlvtype)
{
        return CHANNEL_TLV_NONE < tlvtype && tlvtype < CHANNEL_TLV_MAX;
}

/* place a given tlv on the tlv buffer, continuing current tlv list */
void *qed_add_tlv(struct qed_hwfn *p_hwfn, u8 **offset, u16 type, u16 length)
{
        struct channel_tlv *tl = (struct channel_tlv *)*offset;

        tl->type = type;
        tl->length = length;

        /* Offset should keep pointing to next TLV (the end of the last) */
        *offset += length;

        /* Return a pointer to the start of the added tlv */
        return *offset - length;
}

/* list the types and lengths of the tlvs on the buffer */
void qed_dp_tlv_list(struct qed_hwfn *p_hwfn, void *tlvs_list)
{
        u16 i = 1, total_length = 0;
        struct channel_tlv *tlv;

        do {
                tlv = (struct channel_tlv *)((u8 *)tlvs_list + total_length);

                /* output tlv */
                DP_VERBOSE(p_hwfn, QED_MSG_IOV,
                           "TLV number %d: type %d, length %d\n",
                           i, tlv->type, tlv->length);

                if (tlv->type == CHANNEL_TLV_LIST_END)
                        return;

                /* Validate entry - protect against malicious VFs */
                if (!tlv->length) {
                        DP_NOTICE(p_hwfn, "TLV of length 0 found\n");
                        return;
                }

                total_length += tlv->length;

                if (total_length >= sizeof(struct tlv_buffer_size)) {
                        DP_NOTICE(p_hwfn, "TLV ==> Buffer overflow\n");
                        return;
                }

                i++;
        } while (1);
}

static void qed_iov_send_response(struct qed_hwfn *p_hwfn,
                                  struct qed_ptt *p_ptt,
                                  struct qed_vf_info *p_vf,
                                  u16 length, u8 status)
{
        struct qed_iov_vf_mbx *mbx = &p_vf->vf_mbx;
        struct qed_dmae_params params;
        u8 eng_vf_id;

        mbx->reply_virt->default_resp.hdr.status = status;

        qed_dp_tlv_list(p_hwfn, mbx->reply_virt);

        eng_vf_id = p_vf->abs_vf_id;

        memset(&params, 0, sizeof(params));
        SET_FIELD(params.flags, QED_DMAE_PARAMS_DST_VF_VALID, 0x1);
        params.dst_vfid = eng_vf_id;

        qed_dmae_host2host(p_hwfn, p_ptt, mbx->reply_phys + sizeof(u64),
                           mbx->req_virt->first_tlv.reply_address +
                           sizeof(u64),
                           (sizeof(union pfvf_tlvs) - sizeof(u64)) / 4,
                           &params);

        /* Once PF copies the rc to the VF, the latter can continue
         * and send an additional message. So we have to make sure the
         * channel would be re-set to ready prior to that.
         */
        REG_WR(p_hwfn,
               GET_GTT_REG_ADDR(GTT_BAR0_MAP_REG_USDM_RAM,
                                USTORM_VF_PF_CHANNEL_READY, eng_vf_id), 1);

        qed_dmae_host2host(p_hwfn, p_ptt, mbx->reply_phys,
                           mbx->req_virt->first_tlv.reply_address,
                           sizeof(u64) / 4, &params);
}

static u16 qed_iov_vport_to_tlv(struct qed_hwfn *p_hwfn,
                                enum qed_iov_vport_update_flag flag)
{
        switch (flag) {
        case QED_IOV_VP_UPDATE_ACTIVATE:
                return CHANNEL_TLV_VPORT_UPDATE_ACTIVATE;
        case QED_IOV_VP_UPDATE_VLAN_STRIP:
                return CHANNEL_TLV_VPORT_UPDATE_VLAN_STRIP;
        case QED_IOV_VP_UPDATE_TX_SWITCH:
                return CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH;
        case QED_IOV_VP_UPDATE_MCAST:
                return CHANNEL_TLV_VPORT_UPDATE_MCAST;
        case QED_IOV_VP_UPDATE_ACCEPT_PARAM:
                return CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM;
        case QED_IOV_VP_UPDATE_RSS:
                return CHANNEL_TLV_VPORT_UPDATE_RSS;
        case QED_IOV_VP_UPDATE_ACCEPT_ANY_VLAN:
                return CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN;
        case QED_IOV_VP_UPDATE_SGE_TPA:
                return CHANNEL_TLV_VPORT_UPDATE_SGE_TPA;
        default:
                return 0;
        }
}

static u16 qed_iov_prep_vp_update_resp_tlvs(struct qed_hwfn *p_hwfn,
                                            struct qed_vf_info *p_vf,
                                            struct qed_iov_vf_mbx *p_mbx,
                                            u8 status,
                                            u16 tlvs_mask, u16 tlvs_accepted)
{
        struct pfvf_def_resp_tlv *resp;
        u16 size, total_len, i;

        memset(p_mbx->reply_virt, 0, sizeof(union pfvf_tlvs));
        p_mbx->offset = (u8 *)p_mbx->reply_virt;
        size = sizeof(struct pfvf_def_resp_tlv);
        total_len = size;

        qed_add_tlv(p_hwfn, &p_mbx->offset, CHANNEL_TLV_VPORT_UPDATE, size);

        /* Prepare response for all extended tlvs if they are found by PF */
        for (i = 0; i < QED_IOV_VP_UPDATE_MAX; i++) {
                if (!(tlvs_mask & BIT(i)))
                        continue;

                resp = qed_add_tlv(p_hwfn, &p_mbx->offset,
                                   qed_iov_vport_to_tlv(p_hwfn, i), size);

                if (tlvs_accepted & BIT(i))
                        resp->hdr.status = status;
                else
                        resp->hdr.status = PFVF_STATUS_NOT_SUPPORTED;

                DP_VERBOSE(p_hwfn,
                           QED_MSG_IOV,
                           "VF[%d] - vport_update response: TLV %d, status %02x\n",
                           p_vf->relative_vf_id,
                           qed_iov_vport_to_tlv(p_hwfn, i), resp->hdr.status);

                total_len += size;
        }

        qed_add_tlv(p_hwfn, &p_mbx->offset, CHANNEL_TLV_LIST_END,
                    sizeof(struct channel_list_end_tlv));

        return total_len;
}

static void qed_iov_prepare_resp(struct qed_hwfn *p_hwfn,
                                 struct qed_ptt *p_ptt,
                                 struct qed_vf_info *vf_info,
                                 u16 type, u16 length, u8 status)
{
        struct qed_iov_vf_mbx *mbx = &vf_info->vf_mbx;

        mbx->offset = (u8 *)mbx->reply_virt;

        qed_add_tlv(p_hwfn, &mbx->offset, type, length);
        qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_LIST_END,
                    sizeof(struct channel_list_end_tlv));

        qed_iov_send_response(p_hwfn, p_ptt, vf_info, length, status);
}

static struct
qed_public_vf_info *qed_iov_get_public_vf_info(struct qed_hwfn *p_hwfn,
                                               u16 relative_vf_id,
                                               bool b_enabled_only)
{
        struct qed_vf_info *vf = NULL;

        vf = qed_iov_get_vf_info(p_hwfn, relative_vf_id, b_enabled_only);
        if (!vf)
                return NULL;

        return &vf->p_vf_info;
}

static void qed_iov_clean_vf(struct qed_hwfn *p_hwfn, u8 vfid)
{
        struct qed_public_vf_info *vf_info;

        vf_info = qed_iov_get_public_vf_info(p_hwfn, vfid, false);

        if (!vf_info)
                return;

        /* Clear the VF mac */
        eth_zero_addr(vf_info->mac);

        vf_info->rx_accept_mode = 0;
        vf_info->tx_accept_mode = 0;
}

static void qed_iov_vf_cleanup(struct qed_hwfn *p_hwfn,
                               struct qed_vf_info *p_vf)
{
        u32 i, j;

        p_vf->vf_bulletin = 0;
        p_vf->vport_instance = 0;
        p_vf->configured_features = 0;

        /* If VF previously requested less resources, go back to default */
        p_vf->num_rxqs = p_vf->num_sbs;
        p_vf->num_txqs = p_vf->num_sbs;

        p_vf->num_active_rxqs = 0;

        for (i = 0; i < QED_MAX_VF_CHAINS_PER_PF; i++) {
                struct qed_vf_queue *p_queue = &p_vf->vf_queues[i];

                for (j = 0; j < MAX_QUEUES_PER_QZONE; j++) {
                        if (!p_queue->cids[j].p_cid)
                                continue;

                        qed_eth_queue_cid_release(p_hwfn,
                                                  p_queue->cids[j].p_cid);
                        p_queue->cids[j].p_cid = NULL;
                }
        }

        memset(&p_vf->shadow_config, 0, sizeof(p_vf->shadow_config));
        memset(&p_vf->acquire, 0, sizeof(p_vf->acquire));
        qed_iov_clean_vf(p_hwfn, p_vf->relative_vf_id);
}

/* Returns either 0, or log(size) */
static u32 qed_iov_vf_db_bar_size(struct qed_hwfn *p_hwfn,
                                  struct qed_ptt *p_ptt)
{
        u32 val = qed_rd(p_hwfn, p_ptt, PGLUE_B_REG_VF_BAR1_SIZE);

        if (val)
                return val + 11;
        return 0;
}

static void
qed_iov_vf_mbx_acquire_resc_cids(struct qed_hwfn *p_hwfn,
                                 struct qed_ptt *p_ptt,
                                 struct qed_vf_info *p_vf,
                                 struct vf_pf_resc_request *p_req,
                                 struct pf_vf_resc *p_resp)
{
        u8 num_vf_cons = p_hwfn->pf_params.eth_pf_params.num_vf_cons;
        u8 db_size = qed_db_addr_vf(1, DQ_DEMS_LEGACY) -
                     qed_db_addr_vf(0, DQ_DEMS_LEGACY);
        u32 bar_size;

        p_resp->num_cids = min_t(u8, p_req->num_cids, num_vf_cons);

        /* If VF didn't bother asking for QIDs than don't bother limiting
         * number of CIDs. The VF doesn't care about the number, and this
         * has the likely result of causing an additional acquisition.
         */
        if (!(p_vf->acquire.vfdev_info.capabilities &
              VFPF_ACQUIRE_CAP_QUEUE_QIDS))
                return;

        /* If doorbell bar was mapped by VF, limit the VF CIDs to an amount
         * that would make sure doorbells for all CIDs fall within the bar.
         * If it doesn't, make sure regview window is sufficient.
         */
        if (p_vf->acquire.vfdev_info.capabilities &
            VFPF_ACQUIRE_CAP_PHYSICAL_BAR) {
                bar_size = qed_iov_vf_db_bar_size(p_hwfn, p_ptt);
                if (bar_size)
                        bar_size = 1 << bar_size;

                if (p_hwfn->cdev->num_hwfns > 1)
                        bar_size /= 2;
        } else {
                bar_size = PXP_VF_BAR0_DQ_LENGTH;
        }

        if (bar_size / db_size < 256)
                p_resp->num_cids = min_t(u8, p_resp->num_cids,
                                         (u8)(bar_size / db_size));
}

static u8 qed_iov_vf_mbx_acquire_resc(struct qed_hwfn *p_hwfn,
                                      struct qed_ptt *p_ptt,
                                      struct qed_vf_info *p_vf,
                                      struct vf_pf_resc_request *p_req,
                                      struct pf_vf_resc *p_resp)
{
        u8 i;

        /* Queue related information */
        p_resp->num_rxqs = p_vf->num_rxqs;
        p_resp->num_txqs = p_vf->num_txqs;
        p_resp->num_sbs = p_vf->num_sbs;

        for (i = 0; i < p_resp->num_sbs; i++) {
                p_resp->hw_sbs[i].hw_sb_id = p_vf->igu_sbs[i];
                p_resp->hw_sbs[i].sb_qid = 0;
        }

        /* These fields are filled for backward compatibility.
         * Unused by modern vfs.
         */
        for (i = 0; i < p_resp->num_rxqs; i++) {
                qed_fw_l2_queue(p_hwfn, p_vf->vf_queues[i].fw_rx_qid,
                                (u16 *)&p_resp->hw_qid[i]);
                p_resp->cid[i] = i;
        }

        /* Filter related information */
        p_resp->num_mac_filters = min_t(u8, p_vf->num_mac_filters,
                                        p_req->num_mac_filters);
        p_resp->num_vlan_filters = min_t(u8, p_vf->num_vlan_filters,
                                         p_req->num_vlan_filters);

        qed_iov_vf_mbx_acquire_resc_cids(p_hwfn, p_ptt, p_vf, p_req, p_resp);

        /* This isn't really needed/enforced, but some legacy VFs might depend
         * on the correct filling of this field.
         */
        p_resp->num_mc_filters = QED_MAX_MC_ADDRS;

        /* Validate sufficient resources for VF */
        if (p_resp->num_rxqs < p_req->num_rxqs ||
            p_resp->num_txqs < p_req->num_txqs ||
            p_resp->num_sbs < p_req->num_sbs ||
            p_resp->num_mac_filters < p_req->num_mac_filters ||
            p_resp->num_vlan_filters < p_req->num_vlan_filters ||
            p_resp->num_mc_filters < p_req->num_mc_filters ||
            p_resp->num_cids < p_req->num_cids) {
                DP_VERBOSE(p_hwfn,
                           QED_MSG_IOV,
                           "VF[%d] - Insufficient resources: rxq [%02x/%02x] txq [%02x/%02x] sbs [%02x/%02x] mac [%02x/%02x] vlan [%02x/%02x] mc [%02x/%02x] cids [%02x/%02x]\n",
                           p_vf->abs_vf_id,
                           p_req->num_rxqs,
                           p_resp->num_rxqs,
                           p_req->num_rxqs,
                           p_resp->num_txqs,
                           p_req->num_sbs,
                           p_resp->num_sbs,
                           p_req->num_mac_filters,
                           p_resp->num_mac_filters,
                           p_req->num_vlan_filters,
                           p_resp->num_vlan_filters,
                           p_req->num_mc_filters,
                           p_resp->num_mc_filters,
                           p_req->num_cids, p_resp->num_cids);

                /* Some legacy OSes are incapable of correctly handling this
                 * failure.
                 */
                if ((p_vf->acquire.vfdev_info.eth_fp_hsi_minor ==
                     ETH_HSI_VER_NO_PKT_LEN_TUNN) &&
                    (p_vf->acquire.vfdev_info.os_type ==
                     VFPF_ACQUIRE_OS_WINDOWS))
                        return PFVF_STATUS_SUCCESS;

                return PFVF_STATUS_NO_RESOURCE;
        }

        return PFVF_STATUS_SUCCESS;
}

static void qed_iov_vf_mbx_acquire_stats(struct qed_hwfn *p_hwfn,
                                         struct pfvf_stats_info *p_stats)
{
        p_stats->mstats.address = PXP_VF_BAR0_START_MSDM_ZONE_B +
                                  offsetof(struct mstorm_vf_zone,
                                           non_trigger.eth_queue_stat);
        p_stats->mstats.len = sizeof(struct eth_mstorm_per_queue_stat);
        p_stats->ustats.address = PXP_VF_BAR0_START_USDM_ZONE_B +
                                  offsetof(struct ustorm_vf_zone,
                                           non_trigger.eth_queue_stat);
        p_stats->ustats.len = sizeof(struct eth_ustorm_per_queue_stat);
        p_stats->pstats.address = PXP_VF_BAR0_START_PSDM_ZONE_B +
                                  offsetof(struct pstorm_vf_zone,
                                           non_trigger.eth_queue_stat);
        p_stats->pstats.len = sizeof(struct eth_pstorm_per_queue_stat);
        p_stats->tstats.address = 0;
        p_stats->tstats.len = 0;
}

static void qed_iov_vf_mbx_acquire(struct qed_hwfn *p_hwfn,
                                   struct qed_ptt *p_ptt,
                                   struct qed_vf_info *vf)
{
        struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
        struct pfvf_acquire_resp_tlv *resp = &mbx->reply_virt->acquire_resp;
        struct pf_vf_pfdev_info *pfdev_info = &resp->pfdev_info;
        struct vfpf_acquire_tlv *req = &mbx->req_virt->acquire;
        u8 vfpf_status = PFVF_STATUS_NOT_SUPPORTED;
        struct pf_vf_resc *resc = &resp->resc;
        int rc;

        memset(resp, 0, sizeof(*resp));

        /* Write the PF version so that VF would know which version
         * is supported - might be later overridden. This guarantees that
         * VF could recognize legacy PF based on lack of versions in reply.
         */
        pfdev_info->major_fp_hsi = ETH_HSI_VER_MAJOR;
        pfdev_info->minor_fp_hsi = ETH_HSI_VER_MINOR;

        if (vf->state != VF_FREE && vf->state != VF_STOPPED) {
                DP_VERBOSE(p_hwfn,
                           QED_MSG_IOV,
                           "VF[%d] sent ACQUIRE but is already in state %d - fail request\n",
                           vf->abs_vf_id, vf->state);
                goto out;
        }

        /* Validate FW compatibility */
        if (req->vfdev_info.eth_fp_hsi_major != ETH_HSI_VER_MAJOR) {
                if (req->vfdev_info.capabilities &
                    VFPF_ACQUIRE_CAP_PRE_FP_HSI) {
                        struct vf_pf_vfdev_info *p_vfdev = &req->vfdev_info;

                        DP_VERBOSE(p_hwfn, QED_MSG_IOV,
                                   "VF[%d] is pre-fastpath HSI\n",
                                   vf->abs_vf_id);
                        p_vfdev->eth_fp_hsi_major = ETH_HSI_VER_MAJOR;
                        p_vfdev->eth_fp_hsi_minor = ETH_HSI_VER_NO_PKT_LEN_TUNN;
                } else {
                        DP_INFO(p_hwfn,
                                "VF[%d] needs fastpath HSI %02x.%02x, which is incompatible with loaded FW's fastpath HSI %02x.%02x\n",
                                vf->abs_vf_id,
                                req->vfdev_info.eth_fp_hsi_major,
                                req->vfdev_info.eth_fp_hsi_minor,
                                ETH_HSI_VER_MAJOR, ETH_HSI_VER_MINOR);

                        goto out;
                }
        }

        /* On 100g PFs, prevent old VFs from loading */
        if ((p_hwfn->cdev->num_hwfns > 1) &&
            !(req->vfdev_info.capabilities & VFPF_ACQUIRE_CAP_100G)) {
                DP_INFO(p_hwfn,
                        "VF[%d] is running an old driver that doesn't support 100g\n",
                        vf->abs_vf_id);
                goto out;
        }

        /* Store the acquire message */
        memcpy(&vf->acquire, req, sizeof(vf->acquire));

        vf->opaque_fid = req->vfdev_info.opaque_fid;

        vf->vf_bulletin = req->bulletin_addr;
        vf->bulletin.size = (vf->bulletin.size < req->bulletin_size) ?
                            vf->bulletin.size : req->bulletin_size;

        /* fill in pfdev info */
        pfdev_info->chip_num = p_hwfn->cdev->chip_num;
        pfdev_info->db_size = 0;
        pfdev_info->indices_per_sb = PIS_PER_SB;

        pfdev_info->capabilities = PFVF_ACQUIRE_CAP_DEFAULT_UNTAGGED |
                                   PFVF_ACQUIRE_CAP_POST_FW_OVERRIDE;
        if (p_hwfn->cdev->num_hwfns > 1)
                pfdev_info->capabilities |= PFVF_ACQUIRE_CAP_100G;

        /* Share our ability to use multiple queue-ids only with VFs
         * that request it.
         */
        if (req->vfdev_info.capabilities & VFPF_ACQUIRE_CAP_QUEUE_QIDS)
                pfdev_info->capabilities |= PFVF_ACQUIRE_CAP_QUEUE_QIDS;

        /* Share the sizes of the bars with VF */
        resp->pfdev_info.bar_size = qed_iov_vf_db_bar_size(p_hwfn, p_ptt);

        qed_iov_vf_mbx_acquire_stats(p_hwfn, &pfdev_info->stats_info);

        memcpy(pfdev_info->port_mac, p_hwfn->hw_info.hw_mac_addr, ETH_ALEN);

        pfdev_info->fw_major = FW_MAJOR_VERSION;
        pfdev_info->fw_minor = FW_MINOR_VERSION;
        pfdev_info->fw_rev = FW_REVISION_VERSION;
        pfdev_info->fw_eng = FW_ENGINEERING_VERSION;

        /* Incorrect when legacy, but doesn't matter as legacy isn't reading
         * this field.
         */
        pfdev_info->minor_fp_hsi = min_t(u8, ETH_HSI_VER_MINOR,
                                         req->vfdev_info.eth_fp_hsi_minor);
        pfdev_info->os_type = VFPF_ACQUIRE_OS_LINUX;
        qed_mcp_get_mfw_ver(p_hwfn, p_ptt, &pfdev_info->mfw_ver, NULL);

        pfdev_info->dev_type = p_hwfn->cdev->type;
        pfdev_info->chip_rev = p_hwfn->cdev->chip_rev;

        /* Fill resources available to VF; Make sure there are enough to
         * satisfy the VF's request.
         */
        vfpf_status = qed_iov_vf_mbx_acquire_resc(p_hwfn, p_ptt, vf,
                                                  &req->resc_request, resc);
        if (vfpf_status != PFVF_STATUS_SUCCESS)
                goto out;

        /* Start the VF in FW */
        rc = qed_sp_vf_start(p_hwfn, vf);
        if (rc) {
                DP_NOTICE(p_hwfn, "Failed to start VF[%02x]\n", vf->abs_vf_id);
                vfpf_status = PFVF_STATUS_FAILURE;
                goto out;
        }

        /* Fill agreed size of bulletin board in response */
        resp->bulletin_size = vf->bulletin.size;
        qed_iov_post_vf_bulletin(p_hwfn, vf->relative_vf_id, p_ptt);

        DP_VERBOSE(p_hwfn,
                   QED_MSG_IOV,
                   "VF[%d] ACQUIRE_RESPONSE: pfdev_info- chip_num=0x%x, db_size=%d, idx_per_sb=%d, pf_cap=0x%llx\n"
                   "resources- n_rxq-%d, n_txq-%d, n_sbs-%d, n_macs-%d, n_vlans-%d\n",
                   vf->abs_vf_id,
                   resp->pfdev_info.chip_num,
                   resp->pfdev_info.db_size,
                   resp->pfdev_info.indices_per_sb,
                   resp->pfdev_info.capabilities,
                   resc->num_rxqs,
                   resc->num_txqs,
                   resc->num_sbs,
                   resc->num_mac_filters,
                   resc->num_vlan_filters);
        vf->state = VF_ACQUIRED;

        /* Prepare Response */
out:
        qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_ACQUIRE,
                             sizeof(struct pfvf_acquire_resp_tlv), vfpf_status);
}

static int __qed_iov_spoofchk_set(struct qed_hwfn *p_hwfn,
                                  struct qed_vf_info *p_vf, bool val)
{
        struct qed_sp_vport_update_params params;
        int rc;

        if (val == p_vf->spoof_chk) {
                DP_VERBOSE(p_hwfn, QED_MSG_IOV,
                           "Spoofchk value[%d] is already configured\n", val);
                return 0;
        }

        memset(&params, 0, sizeof(struct qed_sp_vport_update_params));
        params.opaque_fid = p_vf->opaque_fid;
        params.vport_id = p_vf->vport_id;
        params.update_anti_spoofing_en_flg = 1;
        params.anti_spoofing_en = val;

        rc = qed_sp_vport_update(p_hwfn, &params, QED_SPQ_MODE_EBLOCK, NULL);
        if (!rc) {
                p_vf->spoof_chk = val;
                p_vf->req_spoofchk_val = p_vf->spoof_chk;
                DP_VERBOSE(p_hwfn, QED_MSG_IOV,
                           "Spoofchk val[%d] configured\n", val);
        } else {
                DP_VERBOSE(p_hwfn, QED_MSG_IOV,
                           "Spoofchk configuration[val:%d] failed for VF[%d]\n",
                           val, p_vf->relative_vf_id);
        }

        return rc;
}

static int qed_iov_reconfigure_unicast_vlan(struct qed_hwfn *p_hwfn,
                                            struct qed_vf_info *p_vf)
{
        struct qed_filter_ucast filter;
        int rc = 0;
        int i;

        memset(&filter, 0, sizeof(filter));
        filter.is_rx_filter = 1;
        filter.is_tx_filter = 1;
        filter.vport_to_add_to = p_vf->vport_id;
        filter.opcode = QED_FILTER_ADD;

        /* Reconfigure vlans */
        for (i = 0; i < QED_ETH_VF_NUM_VLAN_FILTERS + 1; i++) {
                if (!p_vf->shadow_config.vlans[i].used)
                        continue;

                filter.type = QED_FILTER_VLAN;
                filter.vlan = p_vf->shadow_config.vlans[i].vid;
                DP_VERBOSE(p_hwfn, QED_MSG_IOV,
                           "Reconfiguring VLAN [0x%04x] for VF [%04x]\n",
                           filter.vlan, p_vf->relative_vf_id);
                rc = qed_sp_eth_filter_ucast(p_hwfn, p_vf->opaque_fid,
                                             &filter, QED_SPQ_MODE_CB, NULL);
                if (rc) {
                        DP_NOTICE(p_hwfn,
                                  "Failed to configure VLAN [%04x] to VF [%04x]\n",
                                  filter.vlan, p_vf->relative_vf_id);
                        break;
                }
        }

        return rc;
}

static int
qed_iov_reconfigure_unicast_shadow(struct qed_hwfn *p_hwfn,
                                   struct qed_vf_info *p_vf, u64 events)
{
        int rc = 0;

        if ((events & BIT(VLAN_ADDR_FORCED)) &&
            !(p_vf->configured_features & (1 << VLAN_ADDR_FORCED)))
                rc = qed_iov_reconfigure_unicast_vlan(p_hwfn, p_vf);

        return rc;
}

static int qed_iov_configure_vport_forced(struct qed_hwfn *p_hwfn,
                                          struct qed_vf_info *p_vf, u64 events)
{
        int rc = 0;
        struct qed_filter_ucast filter;

        if (!p_vf->vport_instance)
                return -EINVAL;

        if ((events & BIT(MAC_ADDR_FORCED)) ||
            p_vf->p_vf_info.is_trusted_configured) {
                /* Since there's no way [currently] of removing the MAC,
                 * we can always assume this means we need to force it.
                 */
                memset(&filter, 0, sizeof(filter));
                filter.type = QED_FILTER_MAC;
                filter.opcode = QED_FILTER_REPLACE;
                filter.is_rx_filter = 1;
                filter.is_tx_filter = 1;
                filter.vport_to_add_to = p_vf->vport_id;
                ether_addr_copy(filter.mac, p_vf->bulletin.p_virt->mac);

                rc = qed_sp_eth_filter_ucast(p_hwfn, p_vf->opaque_fid,
                                             &filter, QED_SPQ_MODE_CB, NULL);
                if (rc) {
                        DP_NOTICE(p_hwfn,
                                  "PF failed to configure MAC for VF\n");
                        return rc;
                }
                if (p_vf->p_vf_info.is_trusted_configured)
                        p_vf->configured_features |=
                                BIT(VFPF_BULLETIN_MAC_ADDR);
                else
                        p_vf->configured_features |=
                                BIT(MAC_ADDR_FORCED);
        }

        if (events & BIT(VLAN_ADDR_FORCED)) {
                struct qed_sp_vport_update_params vport_update;
                u8 removal;
                int i;

                memset(&filter, 0, sizeof(filter));
                filter.type = QED_FILTER_VLAN;
                filter.is_rx_filter = 1;
                filter.is_tx_filter = 1;
                filter.vport_to_add_to = p_vf->vport_id;
                filter.vlan = p_vf->bulletin.p_virt->pvid;
                filter.opcode = filter.vlan ? QED_FILTER_REPLACE :
                                              QED_FILTER_FLUSH;

                /* Send the ramrod */
                rc = qed_sp_eth_filter_ucast(p_hwfn, p_vf->opaque_fid,
                                             &filter, QED_SPQ_MODE_CB, NULL);
                if (rc) {
                        DP_NOTICE(p_hwfn,
                                  "PF failed to configure VLAN for VF\n");
                        return rc;
                }

                /* Update the default-vlan & silent vlan stripping */
                memset(&vport_update, 0, sizeof(vport_update));
                vport_update.opaque_fid = p_vf->opaque_fid;
                vport_update.vport_id = p_vf->vport_id;
                vport_update.update_default_vlan_enable_flg = 1;
                vport_update.default_vlan_enable_flg = filter.vlan ? 1 : 0;
                vport_update.update_default_vlan_flg = 1;
                vport_update.default_vlan = filter.vlan;

                vport_update.update_inner_vlan_removal_flg = 1;
                removal = filter.vlan ? 1
                                      : p_vf->shadow_config.inner_vlan_removal;
                vport_update.inner_vlan_removal_flg = removal;
                vport_update.silent_vlan_removal_flg = filter.vlan ? 1 : 0;
                rc = qed_sp_vport_update(p_hwfn,
                                         &vport_update,
                                         QED_SPQ_MODE_EBLOCK, NULL);
                if (rc) {
                        DP_NOTICE(p_hwfn,
                                  "PF failed to configure VF vport for vlan\n");
                        return rc;
                }

                /* Update all the Rx queues */
                for (i = 0; i < QED_MAX_VF_CHAINS_PER_PF; i++) {
                        struct qed_vf_queue *p_queue = &p_vf->vf_queues[i];
                        struct qed_queue_cid *p_cid = NULL;

                        /* There can be at most 1 Rx queue on qzone. Find it */
                        p_cid = qed_iov_get_vf_rx_queue_cid(p_queue);
                        if (!p_cid)
                                continue;

                        rc = qed_sp_eth_rx_queues_update(p_hwfn,
                                                         (void **)&p_cid,
                                                         1, 0, 1,
                                                         QED_SPQ_MODE_EBLOCK,
                                                         NULL);
                        if (rc) {
                                DP_NOTICE(p_hwfn,
                                          "Failed to send Rx update fo queue[0x%04x]\n",
                                          p_cid->rel.queue_id);
                                return rc;
                        }
                }

                if (filter.vlan)
                        p_vf->configured_features |= 1 << VLAN_ADDR_FORCED;
                else
                        p_vf->configured_features &= ~BIT(VLAN_ADDR_FORCED);
        }

        /* If forced features are terminated, we need to configure the shadow
         * configuration back again.
         */
        if (events)
                qed_iov_reconfigure_unicast_shadow(p_hwfn, p_vf, events);

        return rc;
}

static void qed_iov_vf_mbx_start_vport(struct qed_hwfn *p_hwfn,
                                       struct qed_ptt *p_ptt,
                                       struct qed_vf_info *vf)
{
        struct qed_sp_vport_start_params params = { 0 };
        struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
        struct vfpf_vport_start_tlv *start;
        u8 status = PFVF_STATUS_SUCCESS;
        struct qed_vf_info *vf_info;
        u64 *p_bitmap;
        int sb_id;
        int rc;

        vf_info = qed_iov_get_vf_info(p_hwfn, (u16)vf->relative_vf_id, true);
        if (!vf_info) {
                DP_NOTICE(p_hwfn->cdev,
                          "Failed to get VF info, invalid vfid [%d]\n",
                          vf->relative_vf_id);
                return;
        }

        vf->state = VF_ENABLED;
        start = &mbx->req_virt->start_vport;

        qed_iov_enable_vf_traffic(p_hwfn, p_ptt, vf);

        /* Initialize Status block in CAU */
        for (sb_id = 0; sb_id < vf->num_sbs; sb_id++) {
                if (!start->sb_addr[sb_id]) {
                        DP_VERBOSE(p_hwfn, QED_MSG_IOV,
                                   "VF[%d] did not fill the address of SB %d\n",
                                   vf->relative_vf_id, sb_id);
                        break;
                }

                qed_int_cau_conf_sb(p_hwfn, p_ptt,
                                    start->sb_addr[sb_id],
                                    vf->igu_sbs[sb_id], vf->abs_vf_id, 1);
        }

        vf->mtu = start->mtu;
        vf->shadow_config.inner_vlan_removal = start->inner_vlan_removal;

        /* Take into consideration configuration forced by hypervisor;
         * If none is configured, use the supplied VF values [for old
         * vfs that would still be fine, since they passed '0' as padding].
         */
        p_bitmap = &vf_info->bulletin.p_virt->valid_bitmap;
        if (!(*p_bitmap & BIT(VFPF_BULLETIN_UNTAGGED_DEFAULT_FORCED))) {
                u8 vf_req = start->only_untagged;

                vf_info->bulletin.p_virt->default_only_untagged = vf_req;
                *p_bitmap |= 1 << VFPF_BULLETIN_UNTAGGED_DEFAULT;
        }

        params.tpa_mode = start->tpa_mode;
        params.remove_inner_vlan = start->inner_vlan_removal;
        params.tx_switching = true;

        params.only_untagged = vf_info->bulletin.p_virt->default_only_untagged;
        params.drop_ttl0 = false;
        params.concrete_fid = vf->concrete_fid;
        params.opaque_fid = vf->opaque_fid;
        params.vport_id = vf->vport_id;
        params.max_buffers_per_cqe = start->max_buffers_per_cqe;
        params.mtu = vf->mtu;

        /* Non trusted VFs should enable control frame filtering */
        params.check_mac = !vf->p_vf_info.is_trusted_configured;

        rc = qed_sp_eth_vport_start(p_hwfn, &params);
        if (rc) {
                DP_ERR(p_hwfn,
                       "%s returned error %d\n", __func__, rc);
                status = PFVF_STATUS_FAILURE;
        } else {
                vf->vport_instance++;

                /* Force configuration if needed on the newly opened vport */
                qed_iov_configure_vport_forced(p_hwfn, vf, *p_bitmap);

                __qed_iov_spoofchk_set(p_hwfn, vf, vf->req_spoofchk_val);
        }
        qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_VPORT_START,
                             sizeof(struct pfvf_def_resp_tlv), status);
}

static void qed_iov_vf_mbx_stop_vport(struct qed_hwfn *p_hwfn,
                                      struct qed_ptt *p_ptt,
                                      struct qed_vf_info *vf)
{
        u8 status = PFVF_STATUS_SUCCESS;
        int rc;

        vf->vport_instance--;
        vf->spoof_chk = false;

        if ((qed_iov_validate_active_rxq(p_hwfn, vf)) ||
            (qed_iov_validate_active_txq(p_hwfn, vf))) {
                vf->b_malicious = true;
                DP_NOTICE(p_hwfn,
                          "VF [%02x] - considered malicious; Unable to stop RX/TX queues\n",
                          vf->abs_vf_id);
                status = PFVF_STATUS_MALICIOUS;
                goto out;
        }

        rc = qed_sp_vport_stop(p_hwfn, vf->opaque_fid, vf->vport_id);
        if (rc) {
                DP_ERR(p_hwfn, "%s returned error %d\n",
                       __func__, rc);
                status = PFVF_STATUS_FAILURE;
        }

        /* Forget the configuration on the vport */
        vf->configured_features = 0;
        memset(&vf->shadow_config, 0, sizeof(vf->shadow_config));

out:
        qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_VPORT_TEARDOWN,
                             sizeof(struct pfvf_def_resp_tlv), status);
}

static void qed_iov_vf_mbx_start_rxq_resp(struct qed_hwfn *p_hwfn,
                                          struct qed_ptt *p_ptt,
                                          struct qed_vf_info *vf,
                                          u8 status, bool b_legacy)
{
        struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
        struct pfvf_start_queue_resp_tlv *p_tlv;
        struct vfpf_start_rxq_tlv *req;
        u16 length;

        mbx->offset = (u8 *)mbx->reply_virt;

        /* Taking a bigger struct instead of adding a TLV to list was a
         * mistake, but one which we're now stuck with, as some older
         * clients assume the size of the previous response.
         */
        if (!b_legacy)
                length = sizeof(*p_tlv);
        else
                length = sizeof(struct pfvf_def_resp_tlv);

        p_tlv = qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_START_RXQ,
                            length);
        qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_LIST_END,
                    sizeof(struct channel_list_end_tlv));

        /* Update the TLV with the response */
        if ((status == PFVF_STATUS_SUCCESS) && !b_legacy) {
                req = &mbx->req_virt->start_rxq;
                p_tlv->offset = PXP_VF_BAR0_START_MSDM_ZONE_B +
                                offsetof(struct mstorm_vf_zone,
                                         non_trigger.eth_rx_queue_producers) +
                                sizeof(struct eth_rx_prod_data) * req->rx_qid;
        }

        qed_iov_send_response(p_hwfn, p_ptt, vf, length, status);
}

static u8 qed_iov_vf_mbx_qid(struct qed_hwfn *p_hwfn,
                             struct qed_vf_info *p_vf, bool b_is_tx)
{
        struct qed_iov_vf_mbx *p_mbx = &p_vf->vf_mbx;
        struct vfpf_qid_tlv *p_qid_tlv;

        /* Search for the qid if the VF published its going to provide it */
        if (!(p_vf->acquire.vfdev_info.capabilities &
              VFPF_ACQUIRE_CAP_QUEUE_QIDS)) {
                if (b_is_tx)
                        return QED_IOV_LEGACY_QID_TX;
                else
                        return QED_IOV_LEGACY_QID_RX;
        }

        p_qid_tlv = (struct vfpf_qid_tlv *)
                    qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt,
                                             CHANNEL_TLV_QID);
        if (!p_qid_tlv) {
                DP_VERBOSE(p_hwfn, QED_MSG_IOV,
                           "VF[%2x]: Failed to provide qid\n",
                           p_vf->relative_vf_id);

                return QED_IOV_QID_INVALID;
        }

        if (p_qid_tlv->qid >= MAX_QUEUES_PER_QZONE) {
                DP_VERBOSE(p_hwfn, QED_MSG_IOV,
                           "VF[%02x]: Provided qid out-of-bounds %02x\n",
                           p_vf->relative_vf_id, p_qid_tlv->qid);
                return QED_IOV_QID_INVALID;
        }

        return p_qid_tlv->qid;
}

static void qed_iov_vf_mbx_start_rxq(struct qed_hwfn *p_hwfn,
                                     struct qed_ptt *p_ptt,
                                     struct qed_vf_info *vf)
{
        struct qed_queue_start_common_params params;
        struct qed_queue_cid_vf_params vf_params;
        struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
        u8 status = PFVF_STATUS_NO_RESOURCE;
        u8 qid_usage_idx, vf_legacy = 0;
        struct vfpf_start_rxq_tlv *req;
        struct qed_vf_queue *p_queue;
        struct qed_queue_cid *p_cid;
        struct qed_sb_info sb_dummy;
        int rc;

        req = &mbx->req_virt->start_rxq;

        if (!qed_iov_validate_rxq(p_hwfn, vf, req->rx_qid,
                                  QED_IOV_VALIDATE_Q_DISABLE) ||
            !qed_iov_validate_sb(p_hwfn, vf, req->hw_sb))
                goto out;

        qid_usage_idx = qed_iov_vf_mbx_qid(p_hwfn, vf, false);
        if (qid_usage_idx == QED_IOV_QID_INVALID)
                goto out;

        p_queue = &vf->vf_queues[req->rx_qid];
        if (p_queue->cids[qid_usage_idx].p_cid)
                goto out;

        vf_legacy = qed_vf_calculate_legacy(vf);

        /* Acquire a new queue-cid */
        memset(&params, 0, sizeof(params));
        params.queue_id = p_queue->fw_rx_qid;
        params.vport_id = vf->vport_id;
        params.stats_id = vf->abs_vf_id + 0x10;
        /* Since IGU index is passed via sb_info, construct a dummy one */
        memset(&sb_dummy, 0, sizeof(sb_dummy));
        sb_dummy.igu_sb_id = req->hw_sb;
        params.p_sb = &sb_dummy;
        params.sb_idx = req->sb_index;

        memset(&vf_params, 0, sizeof(vf_params));
        vf_params.vfid = vf->relative_vf_id;
        vf_params.vf_qid = (u8)req->rx_qid;
        vf_params.vf_legacy = vf_legacy;
        vf_params.qid_usage_idx = qid_usage_idx;
        p_cid = qed_eth_queue_to_cid(p_hwfn, vf->opaque_fid,
                                     &params, true, &vf_params);
        if (!p_cid)
                goto out;

        /* Legacy VFs have their Producers in a different location, which they
         * calculate on their own and clean the producer prior to this.
         */
        if (!(vf_legacy & QED_QCID_LEGACY_VF_RX_PROD))
                qed_wr(p_hwfn, p_ptt, MSEM_REG_FAST_MEMORY +
                       SEM_FAST_REG_INT_RAM +
                       MSTORM_ETH_VF_PRODS_OFFSET(vf->abs_vf_id,
                                                  req->rx_qid), 0);

        rc = qed_eth_rxq_start_ramrod(p_hwfn, p_cid,
                                      req->bd_max_bytes,
                                      req->rxq_addr,
                                      req->cqe_pbl_addr, req->cqe_pbl_size);
        if (rc) {
                status = PFVF_STATUS_FAILURE;
                qed_eth_queue_cid_release(p_hwfn, p_cid);
        } else {
                p_queue->cids[qid_usage_idx].p_cid = p_cid;
                p_queue->cids[qid_usage_idx].b_is_tx = false;
                status = PFVF_STATUS_SUCCESS;
                vf->num_active_rxqs++;
        }

out:
        qed_iov_vf_mbx_start_rxq_resp(p_hwfn, p_ptt, vf, status,
                                      !!(vf_legacy &
                                         QED_QCID_LEGACY_VF_RX_PROD));
}

static void
qed_iov_pf_update_tun_response(struct pfvf_update_tunn_param_tlv *p_resp,
                               struct qed_tunnel_info *p_tun,
                               u16 tunn_feature_mask)
{
        p_resp->tunn_feature_mask = tunn_feature_mask;
        p_resp->vxlan_mode = p_tun->vxlan.b_mode_enabled;
        p_resp->l2geneve_mode = p_tun->l2_geneve.b_mode_enabled;
        p_resp->ipgeneve_mode = p_tun->ip_geneve.b_mode_enabled;
        p_resp->l2gre_mode = p_tun->l2_gre.b_mode_enabled;
        p_resp->ipgre_mode = p_tun->l2_gre.b_mode_enabled;
        p_resp->vxlan_clss = p_tun->vxlan.tun_cls;
        p_resp->l2gre_clss = p_tun->l2_gre.tun_cls;
        p_resp->ipgre_clss = p_tun->ip_gre.tun_cls;
        p_resp->l2geneve_clss = p_tun->l2_geneve.tun_cls;
        p_resp->ipgeneve_clss = p_tun->ip_geneve.tun_cls;
        p_resp->geneve_udp_port = p_tun->geneve_port.port;
        p_resp->vxlan_udp_port = p_tun->vxlan_port.port;
}

static void
__qed_iov_pf_update_tun_param(struct vfpf_update_tunn_param_tlv *p_req,
                              struct qed_tunn_update_type *p_tun,
                              enum qed_tunn_mode mask, u8 tun_cls)
{
        if (p_req->tun_mode_update_mask & BIT(mask)) {
                p_tun->b_update_mode = true;

                if (p_req->tunn_mode & BIT(mask))
                        p_tun->b_mode_enabled = true;
        }

        p_tun->tun_cls = tun_cls;
}

static void
qed_iov_pf_update_tun_param(struct vfpf_update_tunn_param_tlv *p_req,
                            struct qed_tunn_update_type *p_tun,
                            struct qed_tunn_update_udp_port *p_port,
                            enum qed_tunn_mode mask,
                            u8 tun_cls, u8 update_port, u16 port)
{
        if (update_port) {
                p_port->b_update_port = true;
                p_port->port = port;
        }

        __qed_iov_pf_update_tun_param(p_req, p_tun, mask, tun_cls);
}

static bool
qed_iov_pf_validate_tunn_param(struct vfpf_update_tunn_param_tlv *p_req)
{
        bool b_update_requested = false;

        if (p_req->tun_mode_update_mask || p_req->update_tun_cls ||
            p_req->update_geneve_port || p_req->update_vxlan_port)
                b_update_requested = true;

        return b_update_requested;
}

static void qed_pf_validate_tunn_mode(struct qed_tunn_update_type *tun, int *rc)
{
        if (tun->b_update_mode && !tun->b_mode_enabled) {
                tun->b_update_mode = false;
                *rc = -EINVAL;
        }
}

static int
qed_pf_validate_modify_tunn_config(struct qed_hwfn *p_hwfn,
                                   u16 *tun_features, bool *update,
                                   struct qed_tunnel_info *tun_src)
{
        struct qed_eth_cb_ops *ops = p_hwfn->cdev->protocol_ops.eth;
        struct qed_tunnel_info *tun = &p_hwfn->cdev->tunnel;
        u16 bultn_vxlan_port, bultn_geneve_port;
        void *cookie = p_hwfn->cdev->ops_cookie;
        int i, rc = 0;

        *tun_features = p_hwfn->cdev->tunn_feature_mask;
        bultn_vxlan_port = tun->vxlan_port.port;
        bultn_geneve_port = tun->geneve_port.port;
        qed_pf_validate_tunn_mode(&tun_src->vxlan, &rc);
        qed_pf_validate_tunn_mode(&tun_src->l2_geneve, &rc);
        qed_pf_validate_tunn_mode(&tun_src->ip_geneve, &rc);
        qed_pf_validate_tunn_mode(&tun_src->l2_gre, &rc);
        qed_pf_validate_tunn_mode(&tun_src->ip_gre, &rc);

        if ((tun_src->b_update_rx_cls || tun_src->b_update_tx_cls) &&
            (tun_src->vxlan.tun_cls != QED_TUNN_CLSS_MAC_VLAN ||
             tun_src->l2_geneve.tun_cls != QED_TUNN_CLSS_MAC_VLAN ||
             tun_src->ip_geneve.tun_cls != QED_TUNN_CLSS_MAC_VLAN ||
             tun_src->l2_gre.tun_cls != QED_TUNN_CLSS_MAC_VLAN ||
             tun_src->ip_gre.tun_cls != QED_TUNN_CLSS_MAC_VLAN)) {
                tun_src->b_update_rx_cls = false;
                tun_src->b_update_tx_cls = false;
                rc = -EINVAL;
        }

        if (tun_src->vxlan_port.b_update_port) {
                if (tun_src->vxlan_port.port == tun->vxlan_port.port) {
                        tun_src->vxlan_port.b_update_port = false;
                } else {
                        *update = true;
                        bultn_vxlan_port = tun_src->vxlan_port.port;
                }
        }

        if (tun_src->geneve_port.b_update_port) {
                if (tun_src->geneve_port.port == tun->geneve_port.port) {
                        tun_src->geneve_port.b_update_port = false;
                } else {
                        *update = true;
                        bultn_geneve_port = tun_src->geneve_port.port;
                }
        }

        qed_for_each_vf(p_hwfn, i) {
                qed_iov_bulletin_set_udp_ports(p_hwfn, i, bultn_vxlan_port,
                                               bultn_geneve_port);
        }

        qed_schedule_iov(p_hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
        ops->ports_update(cookie, bultn_vxlan_port, bultn_geneve_port);

        return rc;
}

static void qed_iov_vf_mbx_update_tunn_param(struct qed_hwfn *p_hwfn,
                                             struct qed_ptt *p_ptt,
                                             struct qed_vf_info *p_vf)
{
        struct qed_tunnel_info *p_tun = &p_hwfn->cdev->tunnel;
        struct qed_iov_vf_mbx *mbx = &p_vf->vf_mbx;
        struct pfvf_update_tunn_param_tlv *p_resp;
        struct vfpf_update_tunn_param_tlv *p_req;
        u8 status = PFVF_STATUS_SUCCESS;
        bool b_update_required = false;
        struct qed_tunnel_info tunn;
        u16 tunn_feature_mask = 0;
        int i, rc = 0;

        mbx->offset = (u8 *)mbx->reply_virt;

        memset(&tunn, 0, sizeof(tunn));
        p_req = &mbx->req_virt->tunn_param_update;

        if (!qed_iov_pf_validate_tunn_param(p_req)) {
                DP_VERBOSE(p_hwfn, QED_MSG_IOV,
                           "No tunnel update requested by VF\n");
                status = PFVF_STATUS_FAILURE;
                goto send_resp;
        }

        tunn.b_update_rx_cls = p_req->update_tun_cls;
        tunn.b_update_tx_cls = p_req->update_tun_cls;

        qed_iov_pf_update_tun_param(p_req, &tunn.vxlan, &tunn.vxlan_port,
                                    QED_MODE_VXLAN_TUNN, p_req->vxlan_clss,
                                    p_req->update_vxlan_port,
                                    p_req->vxlan_port);
        qed_iov_pf_update_tun_param(p_req, &tunn.l2_geneve, &tunn.geneve_port,
                                    QED_MODE_L2GENEVE_TUNN,
                                    p_req->l2geneve_clss,
                                    p_req->update_geneve_port,
                                    p_req->geneve_port);
        __qed_iov_pf_update_tun_param(p_req, &tunn.ip_geneve,
                                      QED_MODE_IPGENEVE_TUNN,
                                      p_req->ipgeneve_clss);
        __qed_iov_pf_update_tun_param(p_req, &tunn.l2_gre,
                                      QED_MODE_L2GRE_TUNN, p_req->l2gre_clss);
        __qed_iov_pf_update_tun_param(p_req, &tunn.ip_gre,
                                      QED_MODE_IPGRE_TUNN, p_req->ipgre_clss);

        /* If PF modifies VF's req then it should
         * still return an error in case of partial configuration
         * or modified configuration as opposed to requested one.
         */
        rc = qed_pf_validate_modify_tunn_config(p_hwfn, &tunn_feature_mask,
                                                &b_update_required, &tunn);

        if (rc)
                status = PFVF_STATUS_FAILURE;

        /* If QED client is willing to update anything ? */
        if (b_update_required) {
                u16 geneve_port;

                rc = qed_sp_pf_update_tunn_cfg(p_hwfn, p_ptt, &tunn,
                                               QED_SPQ_MODE_EBLOCK, NULL);
                if (rc)
                        status = PFVF_STATUS_FAILURE;

                geneve_port = p_tun->geneve_port.port;
                qed_for_each_vf(p_hwfn, i) {
                        qed_iov_bulletin_set_udp_ports(p_hwfn, i,
                                                       p_tun->vxlan_port.port,
                                                       geneve_port);
                }
        }

send_resp:
        p_resp = qed_add_tlv(p_hwfn, &mbx->offset,
                             CHANNEL_TLV_UPDATE_TUNN_PARAM, sizeof(*p_resp));

        qed_iov_pf_update_tun_response(p_resp, p_tun, tunn_feature_mask);
        qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_LIST_END,
                    sizeof(struct channel_list_end_tlv));

        qed_iov_send_response(p_hwfn, p_ptt, p_vf, sizeof(*p_resp), status);
}

static void qed_iov_vf_mbx_start_txq_resp(struct qed_hwfn *p_hwfn,
                                          struct qed_ptt *p_ptt,
                                          struct qed_vf_info *p_vf,
                                          u32 cid, u8 status)
{
        struct qed_iov_vf_mbx *mbx = &p_vf->vf_mbx;
        struct pfvf_start_queue_resp_tlv *p_tlv;
        bool b_legacy = false;
        u16 length;

        mbx->offset = (u8 *)mbx->reply_virt;

        /* Taking a bigger struct instead of adding a TLV to list was a
         * mistake, but one which we're now stuck with, as some older
         * clients assume the size of the previous response.
         */
        if (p_vf->acquire.vfdev_info.eth_fp_hsi_minor ==
            ETH_HSI_VER_NO_PKT_LEN_TUNN)
                b_legacy = true;

        if (!b_legacy)
                length = sizeof(*p_tlv);
        else
                length = sizeof(struct pfvf_def_resp_tlv);

        p_tlv = qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_START_TXQ,
                            length);
        qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_LIST_END,
                    sizeof(struct channel_list_end_tlv));

        /* Update the TLV with the response */
        if ((status == PFVF_STATUS_SUCCESS) && !b_legacy)
                p_tlv->offset = qed_db_addr_vf(cid, DQ_DEMS_LEGACY);

        qed_iov_send_response(p_hwfn, p_ptt, p_vf, length, status);
}

static void qed_iov_vf_mbx_start_txq(struct qed_hwfn *p_hwfn,
                                     struct qed_ptt *p_ptt,
                                     struct qed_vf_info *vf)
{
        struct qed_queue_start_common_params params;
        struct qed_queue_cid_vf_params vf_params;
        struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
        u8 status = PFVF_STATUS_NO_RESOURCE;
        struct vfpf_start_txq_tlv *req;
        struct qed_vf_queue *p_queue;
        struct qed_queue_cid *p_cid;
        struct qed_sb_info sb_dummy;
        u8 qid_usage_idx, vf_legacy;
        u32 cid = 0;
        int rc;
        u16 pq;

        memset(&params, 0, sizeof(params));
        req = &mbx->req_virt->start_txq;

        if (!qed_iov_validate_txq(p_hwfn, vf, req->tx_qid,
                                  QED_IOV_VALIDATE_Q_NA) ||
            !qed_iov_validate_sb(p_hwfn, vf, req->hw_sb))
                goto out;

        qid_usage_idx = qed_iov_vf_mbx_qid(p_hwfn, vf, true);
        if (qid_usage_idx == QED_IOV_QID_INVALID)
                goto out;

        p_queue = &vf->vf_queues[req->tx_qid];
        if (p_queue->cids[qid_usage_idx].p_cid)
                goto out;

        vf_legacy = qed_vf_calculate_legacy(vf);

        /* Acquire a new queue-cid */
        params.queue_id = p_queue->fw_tx_qid;
        params.vport_id = vf->vport_id;
        params.stats_id = vf->abs_vf_id + 0x10;

        /* Since IGU index is passed via sb_info, construct a dummy one */
        memset(&sb_dummy, 0, sizeof(sb_dummy));
        sb_dummy.igu_sb_id = req->hw_sb;
        params.p_sb = &sb_dummy;
        params.sb_idx = req->sb_index;

        memset(&vf_params, 0, sizeof(vf_params));
        vf_params.vfid = vf->relative_vf_id;
        vf_params.vf_qid = (u8)req->tx_qid;
        vf_params.vf_legacy = vf_legacy;
        vf_params.qid_usage_idx = qid_usage_idx;

        p_cid = qed_eth_queue_to_cid(p_hwfn, vf->opaque_fid,
                                     &params, false, &vf_params);
        if (!p_cid)
                goto out;

        pq = qed_get_cm_pq_idx_vf(p_hwfn, vf->relative_vf_id);
        rc = qed_eth_txq_start_ramrod(p_hwfn, p_cid,
                                      req->pbl_addr, req->pbl_size, pq);
        if (rc) {
                status = PFVF_STATUS_FAILURE;
                qed_eth_queue_cid_release(p_hwfn, p_cid);
        } else {
                status = PFVF_STATUS_SUCCESS;
                p_queue->cids[qid_usage_idx].p_cid = p_cid;
                p_queue->cids[qid_usage_idx].b_is_tx = true;
                cid = p_cid->cid;
        }

out:
        qed_iov_vf_mbx_start_txq_resp(p_hwfn, p_ptt, vf, cid, status);
}

static int qed_iov_vf_stop_rxqs(struct qed_hwfn *p_hwfn,
                                struct qed_vf_info *vf,
                                u16 rxq_id,
                                u8 qid_usage_idx, bool cqe_completion)
{
        struct qed_vf_queue *p_queue;
        int rc = 0;

        if (!qed_iov_validate_rxq(p_hwfn, vf, rxq_id, QED_IOV_VALIDATE_Q_NA)) {
                DP_VERBOSE(p_hwfn,
                           QED_MSG_IOV,
                           "VF[%d] Tried Closing Rx 0x%04x.%02x which is inactive\n",
                           vf->relative_vf_id, rxq_id, qid_usage_idx);
                return -EINVAL;
        }

        p_queue = &vf->vf_queues[rxq_id];

        /* We've validated the index and the existence of the active RXQ -
         * now we need to make sure that it's using the correct qid.
         */
        if (!p_queue->cids[qid_usage_idx].p_cid ||
            p_queue->cids[qid_usage_idx].b_is_tx) {
                struct qed_queue_cid *p_cid;

                p_cid = qed_iov_get_vf_rx_queue_cid(p_queue);
                DP_VERBOSE(p_hwfn,
                           QED_MSG_IOV,
                           "VF[%d] - Tried Closing Rx 0x%04x.%02x, but Rx is at %04x.%02x\n",
                           vf->relative_vf_id,
                           rxq_id, qid_usage_idx, rxq_id, p_cid->qid_usage_idx);
                return -EINVAL;
        }

        /* Now that we know we have a valid Rx-queue - close it */
        rc = qed_eth_rx_queue_stop(p_hwfn,
                                   p_queue->cids[qid_usage_idx].p_cid,
                                   false, cqe_completion);
        if (rc)
                return rc;

        p_queue->cids[qid_usage_idx].p_cid = NULL;
        vf->num_active_rxqs--;

        return 0;
}

static int qed_iov_vf_stop_txqs(struct qed_hwfn *p_hwfn,
                                struct qed_vf_info *vf,
                                u16 txq_id, u8 qid_usage_idx)
{
        struct qed_vf_queue *p_queue;
        int rc = 0;

        if (!qed_iov_validate_txq(p_hwfn, vf, txq_id, QED_IOV_VALIDATE_Q_NA))
                return -EINVAL;

        p_queue = &vf->vf_queues[txq_id];
        if (!p_queue->cids[qid_usage_idx].p_cid ||
            !p_queue->cids[qid_usage_idx].b_is_tx)
                return -EINVAL;

        rc = qed_eth_tx_queue_stop(p_hwfn, p_queue->cids[qid_usage_idx].p_cid);
        if (rc)
                return rc;

        p_queue->cids[qid_usage_idx].p_cid = NULL;
        return 0;
}

static void qed_iov_vf_mbx_stop_rxqs(struct qed_hwfn *p_hwfn,
                                     struct qed_ptt *p_ptt,
                                     struct qed_vf_info *vf)
{
        u16 length = sizeof(struct pfvf_def_resp_tlv);
        struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
        u8 status = PFVF_STATUS_FAILURE;
        struct vfpf_stop_rxqs_tlv *req;
        u8 qid_usage_idx;
        int rc;

        /* There has never been an official driver that used this interface
         * for stopping multiple queues, and it is now considered deprecated.
         * Validate this isn't used here.
         */
        req = &mbx->req_virt->stop_rxqs;
        if (req->num_rxqs != 1) {
                DP_VERBOSE(p_hwfn, QED_MSG_IOV,
                           "Odd; VF[%d] tried stopping multiple Rx queues\n",
                           vf->relative_vf_id);
                status = PFVF_STATUS_NOT_SUPPORTED;
                goto out;
        }

        /* Find which qid-index is associated with the queue */
        qid_usage_idx = qed_iov_vf_mbx_qid(p_hwfn, vf, false);
        if (qid_usage_idx == QED_IOV_QID_INVALID)
                goto out;

        rc = qed_iov_vf_stop_rxqs(p_hwfn, vf, req->rx_qid,
                                  qid_usage_idx, req->cqe_completion);
        if (!rc)
                status = PFVF_STATUS_SUCCESS;
out:
        qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_STOP_RXQS,
                             length, status);
}

static void qed_iov_vf_mbx_stop_txqs(struct qed_hwfn *p_hwfn,
                                     struct qed_ptt *p_ptt,
                                     struct qed_vf_info *vf)
{
        u16 length = sizeof(struct pfvf_def_resp_tlv);
        struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
        u8 status = PFVF_STATUS_FAILURE;
        struct vfpf_stop_txqs_tlv *req;
        u8 qid_usage_idx;
        int rc;

        /* There has never been an official driver that used this interface
         * for stopping multiple queues, and it is now considered deprecated.
         * Validate this isn't used here.
         */
        req = &mbx->req_virt->stop_txqs;
        if (req->num_txqs != 1) {
                DP_VERBOSE(p_hwfn, QED_MSG_IOV,
                           "Odd; VF[%d] tried stopping multiple Tx queues\n",
                           vf->relative_vf_id);
                status = PFVF_STATUS_NOT_SUPPORTED;
                goto out;
        }

        /* Find which qid-index is associated with the queue */
        qid_usage_idx = qed_iov_vf_mbx_qid(p_hwfn, vf, true);
        if (qid_usage_idx == QED_IOV_QID_INVALID)
                goto out;

        rc = qed_iov_vf_stop_txqs(p_hwfn, vf, req->tx_qid, qid_usage_idx);
        if (!rc)
                status = PFVF_STATUS_SUCCESS;

out:
        qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_STOP_TXQS,
                             length, status);
}

static void qed_iov_vf_mbx_update_rxqs(struct qed_hwfn *p_hwfn,
                                       struct qed_ptt *p_ptt,
                                       struct qed_vf_info *vf)
{
        struct qed_queue_cid *handlers[QED_MAX_VF_CHAINS_PER_PF];
        u16 length = sizeof(struct pfvf_def_resp_tlv);
        struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
        struct vfpf_update_rxq_tlv *req;
        u8 status = PFVF_STATUS_FAILURE;
        u8 complete_event_flg;
        u8 complete_cqe_flg;
        u8 qid_usage_idx;
        int rc;
        u8 i;

        req = &mbx->req_virt->update_rxq;
        complete_cqe_flg = !!(req->flags & VFPF_RXQ_UPD_COMPLETE_CQE_FLAG);
        complete_event_flg = !!(req->flags & VFPF_RXQ_UPD_COMPLETE_EVENT_FLAG);

        qid_usage_idx = qed_iov_vf_mbx_qid(p_hwfn, vf, false);
        if (qid_usage_idx == QED_IOV_QID_INVALID)
                goto out;

        /* There shouldn't exist a VF that uses queue-qids yet uses this
         * API with multiple Rx queues. Validate this.
         */
        if ((vf->acquire.vfdev_info.capabilities &
             VFPF_ACQUIRE_CAP_QUEUE_QIDS) && req->num_rxqs != 1) {
                DP_VERBOSE(p_hwfn, QED_MSG_IOV,
                           "VF[%d] supports QIDs but sends multiple queues\n",
                           vf->relative_vf_id);
                goto out;
        }

        /* Validate inputs - for the legacy case this is still true since
         * qid_usage_idx for each Rx queue would be LEGACY_QID_RX.
         */
        for (i = req->rx_qid; i < req->rx_qid + req->num_rxqs; i++) {
                if (!qed_iov_validate_rxq(p_hwfn, vf, i,
                                          QED_IOV_VALIDATE_Q_NA) ||
                    !vf->vf_queues[i].cids[qid_usage_idx].p_cid ||
                    vf->vf_queues[i].cids[qid_usage_idx].b_is_tx) {
                        DP_VERBOSE(p_hwfn, QED_MSG_IOV,
                                   "VF[%d]: Incorrect Rxqs [%04x, %02x]\n",
                                   vf->relative_vf_id, req->rx_qid,
                                   req->num_rxqs);
                        goto out;
                }
        }

        /* Prepare the handlers */
        for (i = 0; i < req->num_rxqs; i++) {
                u16 qid = req->rx_qid + i;

                handlers[i] = vf->vf_queues[qid].cids[qid_usage_idx].p_cid;
        }

        rc = qed_sp_eth_rx_queues_update(p_hwfn, (void **)&handlers,
                                         req->num_rxqs,
                                         complete_cqe_flg,
                                         complete_event_flg,
                                         QED_SPQ_MODE_EBLOCK, NULL);
        if (rc)
                goto out;

        status = PFVF_STATUS_SUCCESS;
out:
        qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_UPDATE_RXQ,
                             length, status);
}

void *qed_iov_search_list_tlvs(struct qed_hwfn *p_hwfn,
                               void *p_tlvs_list, u16 req_type)
{
        struct channel_tlv *p_tlv = (struct channel_tlv *)p_tlvs_list;
        int len = 0;

        do {
                if (!p_tlv->length) {
                        DP_NOTICE(p_hwfn, "Zero length TLV found\n");
                        return NULL;
                }

                if (p_tlv->type == req_type) {
                        DP_VERBOSE(p_hwfn, QED_MSG_IOV,
                                   "Extended tlv type %d, length %d found\n",
                                   p_tlv->type, p_tlv->length);
                        return p_tlv;
                }

                len += p_tlv->length;
                p_tlv = (struct channel_tlv *)((u8 *)p_tlv + p_tlv->length);

                if ((len + p_tlv->length) > TLV_BUFFER_SIZE) {
                        DP_NOTICE(p_hwfn, "TLVs has overrun the buffer size\n");
                        return NULL;
                }
        } while (p_tlv->type != CHANNEL_TLV_LIST_END);

        return NULL;
}

static void
qed_iov_vp_update_act_param(struct qed_hwfn *p_hwfn,
                            struct qed_sp_vport_update_params *p_data,
                            struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
{
        struct vfpf_vport_update_activate_tlv *p_act_tlv;
        u16 tlv = CHANNEL_TLV_VPORT_UPDATE_ACTIVATE;

        p_act_tlv = (struct vfpf_vport_update_activate_tlv *)
                    qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
        if (!p_act_tlv)
                return;

        p_data->update_vport_active_rx_flg = p_act_tlv->update_rx;
        p_data->vport_active_rx_flg = p_act_tlv->active_rx;
        p_data->update_vport_active_tx_flg = p_act_tlv->update_tx;
        p_data->vport_active_tx_flg = p_act_tlv->active_tx;
        *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_ACTIVATE;
}

static void
qed_iov_vp_update_vlan_param(struct qed_hwfn *p_hwfn,
                             struct qed_sp_vport_update_params *p_data,
                             struct qed_vf_info *p_vf,
                             struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
{
        struct vfpf_vport_update_vlan_strip_tlv *p_vlan_tlv;
        u16 tlv = CHANNEL_TLV_VPORT_UPDATE_VLAN_STRIP;

        p_vlan_tlv = (struct vfpf_vport_update_vlan_strip_tlv *)
                     qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
        if (!p_vlan_tlv)
                return;

        p_vf->shadow_config.inner_vlan_removal = p_vlan_tlv->remove_vlan;

        /* Ignore the VF request if we're forcing a vlan */
        if (!(p_vf->configured_features & BIT(VLAN_ADDR_FORCED))) {
                p_data->update_inner_vlan_removal_flg = 1;
                p_data->inner_vlan_removal_flg = p_vlan_tlv->remove_vlan;
        }

        *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_VLAN_STRIP;
}

static void
qed_iov_vp_update_tx_switch(struct qed_hwfn *p_hwfn,
                            struct qed_sp_vport_update_params *p_data,
                            struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
{
        struct vfpf_vport_update_tx_switch_tlv *p_tx_switch_tlv;
        u16 tlv = CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH;

        p_tx_switch_tlv = (struct vfpf_vport_update_tx_switch_tlv *)
                          qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt,
                                                   tlv);
        if (!p_tx_switch_tlv)
                return;

        p_data->update_tx_switching_flg = 1;
        p_data->tx_switching_flg = p_tx_switch_tlv->tx_switching;
        *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_TX_SWITCH;
}

static void
qed_iov_vp_update_mcast_bin_param(struct qed_hwfn *p_hwfn,
                                  struct qed_sp_vport_update_params *p_data,
                                  struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
{
        struct vfpf_vport_update_mcast_bin_tlv *p_mcast_tlv;
        u16 tlv = CHANNEL_TLV_VPORT_UPDATE_MCAST;

        p_mcast_tlv = (struct vfpf_vport_update_mcast_bin_tlv *)
            qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
        if (!p_mcast_tlv)
                return;

        p_data->update_approx_mcast_flg = 1;
        memcpy(p_data->bins, p_mcast_tlv->bins,
               sizeof(u32) * ETH_MULTICAST_MAC_BINS_IN_REGS);
        *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_MCAST;
}

static void
qed_iov_vp_update_accept_flag(struct qed_hwfn *p_hwfn,
                              struct qed_sp_vport_update_params *p_data,
                              struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
{
        struct qed_filter_accept_flags *p_flags = &p_data->accept_flags;
        struct vfpf_vport_update_accept_param_tlv *p_accept_tlv;
        u16 tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM;

        p_accept_tlv = (struct vfpf_vport_update_accept_param_tlv *)
            qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
        if (!p_accept_tlv)
                return;

        p_flags->update_rx_mode_config = p_accept_tlv->update_rx_mode;
        p_flags->rx_accept_filter = p_accept_tlv->rx_accept_filter;
        p_flags->update_tx_mode_config = p_accept_tlv->update_tx_mode;
        p_flags->tx_accept_filter = p_accept_tlv->tx_accept_filter;
        *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_ACCEPT_PARAM;
}

static void
qed_iov_vp_update_accept_any_vlan(struct qed_hwfn *p_hwfn,
                                  struct qed_sp_vport_update_params *p_data,
                                  struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
{
        struct vfpf_vport_update_accept_any_vlan_tlv *p_accept_any_vlan;
        u16 tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN;

        p_accept_any_vlan = (struct vfpf_vport_update_accept_any_vlan_tlv *)
                            qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt,
                                                     tlv);
        if (!p_accept_any_vlan)
                return;

        p_data->accept_any_vlan = p_accept_any_vlan->accept_any_vlan;
        p_data->update_accept_any_vlan_flg =
                    p_accept_any_vlan->update_accept_any_vlan_flg;
        *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_ACCEPT_ANY_VLAN;
}

static void
qed_iov_vp_update_rss_param(struct qed_hwfn *p_hwfn,
                            struct qed_vf_info *vf,
                            struct qed_sp_vport_update_params *p_data,
                            struct qed_rss_params *p_rss,
                            struct qed_iov_vf_mbx *p_mbx,
                            u16 *tlvs_mask, u16 *tlvs_accepted)
{
        struct vfpf_vport_update_rss_tlv *p_rss_tlv;
        u16 tlv = CHANNEL_TLV_VPORT_UPDATE_RSS;
        bool b_reject = false;
        u16 table_size;
        u16 i, q_idx;

        p_rss_tlv = (struct vfpf_vport_update_rss_tlv *)
                    qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
        if (!p_rss_tlv) {
                p_data->rss_params = NULL;
                return;
        }

        memset(p_rss, 0, sizeof(struct qed_rss_params));

        p_rss->update_rss_config = !!(p_rss_tlv->update_rss_flags &
                                      VFPF_UPDATE_RSS_CONFIG_FLAG);
        p_rss->update_rss_capabilities = !!(p_rss_tlv->update_rss_flags &
                                            VFPF_UPDATE_RSS_CAPS_FLAG);
        p_rss->update_rss_ind_table = !!(p_rss_tlv->update_rss_flags &
                                         VFPF_UPDATE_RSS_IND_TABLE_FLAG);
        p_rss->update_rss_key = !!(p_rss_tlv->update_rss_flags &
                                   VFPF_UPDATE_RSS_KEY_FLAG);

        p_rss->rss_enable = p_rss_tlv->rss_enable;
        p_rss->rss_eng_id = vf->relative_vf_id + 1;
        p_rss->rss_caps = p_rss_tlv->rss_caps;
        p_rss->rss_table_size_log = p_rss_tlv->rss_table_size_log;
        memcpy(p_rss->rss_key, p_rss_tlv->rss_key, sizeof(p_rss->rss_key));

        table_size = min_t(u16, ARRAY_SIZE(p_rss->rss_ind_table),
                           (1 << p_rss_tlv->rss_table_size_log));

        for (i = 0; i < table_size; i++) {
                struct qed_queue_cid *p_cid;

                q_idx = p_rss_tlv->rss_ind_table[i];
                if (!qed_iov_validate_rxq(p_hwfn, vf, q_idx,
                                          QED_IOV_VALIDATE_Q_ENABLE)) {
                        DP_VERBOSE(p_hwfn,
                                   QED_MSG_IOV,
                                   "VF[%d]: Omitting RSS due to wrong queue %04x\n",
                                   vf->relative_vf_id, q_idx);
                        b_reject = true;
                        goto out;
                }

                p_cid = qed_iov_get_vf_rx_queue_cid(&vf->vf_queues[q_idx]);
                p_rss->rss_ind_table[i] = p_cid;
        }

        p_data->rss_params = p_rss;
out:
        *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_RSS;
        if (!b_reject)
                *tlvs_accepted |= 1 << QED_IOV_VP_UPDATE_RSS;
}

static void
qed_iov_vp_update_sge_tpa_param(struct qed_hwfn *p_hwfn,
                                struct qed_vf_info *vf,
                                struct qed_sp_vport_update_params *p_data,
                                struct qed_sge_tpa_params *p_sge_tpa,
                                struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
{
        struct vfpf_vport_update_sge_tpa_tlv *p_sge_tpa_tlv;
        u16 tlv = CHANNEL_TLV_VPORT_UPDATE_SGE_TPA;

        p_sge_tpa_tlv = (struct vfpf_vport_update_sge_tpa_tlv *)
            qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);

        if (!p_sge_tpa_tlv) {
                p_data->sge_tpa_params = NULL;
                return;
        }

        memset(p_sge_tpa, 0, sizeof(struct qed_sge_tpa_params));

        p_sge_tpa->update_tpa_en_flg =
            !!(p_sge_tpa_tlv->update_sge_tpa_flags & VFPF_UPDATE_TPA_EN_FLAG);
        p_sge_tpa->update_tpa_param_flg =
            !!(p_sge_tpa_tlv->update_sge_tpa_flags &
                VFPF_UPDATE_TPA_PARAM_FLAG);

        p_sge_tpa->tpa_ipv4_en_flg =
            !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_IPV4_EN_FLAG);
        p_sge_tpa->tpa_ipv6_en_flg =
            !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_IPV6_EN_FLAG);
        p_sge_tpa->tpa_pkt_split_flg =
            !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_PKT_SPLIT_FLAG);
        p_sge_tpa->tpa_hdr_data_split_flg =
            !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_HDR_DATA_SPLIT_FLAG);
        p_sge_tpa->tpa_gro_consistent_flg =
            !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_GRO_CONSIST_FLAG);

        p_sge_tpa->tpa_max_aggs_num = p_sge_tpa_tlv->tpa_max_aggs_num;
        p_sge_tpa->tpa_max_size = p_sge_tpa_tlv->tpa_max_size;
        p_sge_tpa->tpa_min_size_to_start = p_sge_tpa_tlv->tpa_min_size_to_start;
        p_sge_tpa->tpa_min_size_to_cont = p_sge_tpa_tlv->tpa_min_size_to_cont;
        p_sge_tpa->max_buffers_per_cqe = p_sge_tpa_tlv->max_buffers_per_cqe;

        p_data->sge_tpa_params = p_sge_tpa;

        *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_SGE_TPA;
}

static int qed_iov_pre_update_vport(struct qed_hwfn *hwfn,
                                    u8 vfid,
                                    struct qed_sp_vport_update_params *params,
                                    u16 *tlvs)
{
        u8 mask = QED_ACCEPT_UCAST_UNMATCHED | QED_ACCEPT_MCAST_UNMATCHED;
        struct qed_filter_accept_flags *flags = &params->accept_flags;
        struct qed_public_vf_info *vf_info;
        u16 tlv_mask;

        tlv_mask = BIT(QED_IOV_VP_UPDATE_ACCEPT_PARAM) |
                   BIT(QED_IOV_VP_UPDATE_ACCEPT_ANY_VLAN);

        /* Untrusted VFs can't even be trusted to know that fact.
         * Simply indicate everything is configured fine, and trace
         * configuration 'behind their back'.
         */
        if (!(*tlvs & tlv_mask))
                return 0;

        vf_info = qed_iov_get_public_vf_info(hwfn, vfid, true);

        if (flags->update_rx_mode_config) {
                vf_info->rx_accept_mode = flags->rx_accept_filter;
                if (!vf_info->is_trusted_configured)
                        flags->rx_accept_filter &= ~mask;
        }

        if (flags->update_tx_mode_config) {
                vf_info->tx_accept_mode = flags->tx_accept_filter;
                if (!vf_info->is_trusted_configured)
                        flags->tx_accept_filter &= ~mask;
        }

        if (params->update_accept_any_vlan_flg) {
                vf_info->accept_any_vlan = params->accept_any_vlan;

                if (vf_info->forced_vlan && !vf_info->is_trusted_configured)
                        params->accept_any_vlan = false;
        }

        return 0;
}

static void qed_iov_vf_mbx_vport_update(struct qed_hwfn *p_hwfn,
                                        struct qed_ptt *p_ptt,
                                        struct qed_vf_info *vf)
{
        struct qed_rss_params *p_rss_params = NULL;
        struct qed_sp_vport_update_params params;
        struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
        struct qed_sge_tpa_params sge_tpa_params;
        u16 tlvs_mask = 0, tlvs_accepted = 0;
        u8 status = PFVF_STATUS_SUCCESS;
        u16 length;
        int rc;

        /* Validate PF can send such a request */
        if (!vf->vport_instance) {
                DP_VERBOSE(p_hwfn,
                           QED_MSG_IOV,
                           "No VPORT instance available for VF[%d], failing vport update\n",
                           vf->abs_vf_id);
                status = PFVF_STATUS_FAILURE;
                goto out;
        }
        p_rss_params = vzalloc(sizeof(*p_rss_params));
        if (!p_rss_params) {
                status = PFVF_STATUS_FAILURE;
                goto out;
        }

        memset(&params, 0, sizeof(params));
        params.opaque_fid = vf->opaque_fid;
        params.vport_id = vf->vport_id;
        params.rss_params = NULL;

        /* Search for extended tlvs list and update values
         * from VF in struct qed_sp_vport_update_params.
         */
        qed_iov_vp_update_act_param(p_hwfn, &params, mbx, &tlvs_mask);
        qed_iov_vp_update_vlan_param(p_hwfn, &params, vf, mbx, &tlvs_mask);
        qed_iov_vp_update_tx_switch(p_hwfn, &params, mbx, &tlvs_mask);
        qed_iov_vp_update_mcast_bin_param(p_hwfn, &params, mbx, &tlvs_mask);
        qed_iov_vp_update_accept_flag(p_hwfn, &params, mbx, &tlvs_mask);
        qed_iov_vp_update_accept_any_vlan(p_hwfn, &params, mbx, &tlvs_mask);
        qed_iov_vp_update_sge_tpa_param(p_hwfn, vf, &params,
                                        &sge_tpa_params, mbx, &tlvs_mask);

        tlvs_accepted = tlvs_mask;

        /* Some of the extended TLVs need to be validated first; In that case,
         * they can update the mask without updating the accepted [so that
         * PF could communicate to VF it has rejected request].
         */
        qed_iov_vp_update_rss_param(p_hwfn, vf, &params, p_rss_params,
                                    mbx, &tlvs_mask, &tlvs_accepted);

        if (qed_iov_pre_update_vport(p_hwfn, vf->relative_vf_id,
                                     &params, &tlvs_accepted)) {
                tlvs_accepted = 0;
                status = PFVF_STATUS_NOT_SUPPORTED;
                goto out;
        }

        if (!tlvs_accepted) {
                if (tlvs_mask)
                        DP_VERBOSE(p_hwfn, QED_MSG_IOV,
                                   "Upper-layer prevents VF vport configuration\n");
                else
                        DP_VERBOSE(p_hwfn, QED_MSG_IOV,
                                   "No feature tlvs found for vport update\n");
                status = PFVF_STATUS_NOT_SUPPORTED;
                goto out;
        }

        rc = qed_sp_vport_update(p_hwfn, &params, QED_SPQ_MODE_EBLOCK, NULL);

        if (rc)
                status = PFVF_STATUS_FAILURE;

out:
        vfree(p_rss_params);
        length = qed_iov_prep_vp_update_resp_tlvs(p_hwfn, vf, mbx, status,
                                                  tlvs_mask, tlvs_accepted);
        qed_iov_send_response(p_hwfn, p_ptt, vf, length, status);
}

static int qed_iov_vf_update_vlan_shadow(struct qed_hwfn *p_hwfn,
                                         struct qed_vf_info *p_vf,
                                         struct qed_filter_ucast *p_params)
{
        int i;

        /* First remove entries and then add new ones */
        if (p_params->opcode == QED_FILTER_REMOVE) {
                for (i = 0; i < QED_ETH_VF_NUM_VLAN_FILTERS + 1; i++)
                        if (p_vf->shadow_config.vlans[i].used &&
                            p_vf->shadow_config.vlans[i].vid ==
                            p_params->vlan) {
                                p_vf->shadow_config.vlans[i].used = false;
                                break;
                        }
                if (i == QED_ETH_VF_NUM_VLAN_FILTERS + 1) {
                        DP_VERBOSE(p_hwfn,
                                   QED_MSG_IOV,
                                   "VF [%d] - Tries to remove a non-existing vlan\n",
                                   p_vf->relative_vf_id);
                        return -EINVAL;
                }
        } else if (p_params->opcode == QED_FILTER_REPLACE ||
                   p_params->opcode == QED_FILTER_FLUSH) {
                for (i = 0; i < QED_ETH_VF_NUM_VLAN_FILTERS + 1; i++)
                        p_vf->shadow_config.vlans[i].used = false;
        }

        /* In forced mode, we're willing to remove entries - but we don't add
         * new ones.
         */
        if (p_vf->bulletin.p_virt->valid_bitmap & BIT(VLAN_ADDR_FORCED))
                return 0;

        if (p_params->opcode == QED_FILTER_ADD ||
            p_params->opcode == QED_FILTER_REPLACE) {
                for (i = 0; i < QED_ETH_VF_NUM_VLAN_FILTERS + 1; i++) {
                        if (p_vf->shadow_config.vlans[i].used)
                                continue;

                        p_vf->shadow_config.vlans[i].used = true;
                        p_vf->shadow_config.vlans[i].vid = p_params->vlan;
                        break;
                }

                if (i == QED_ETH_VF_NUM_VLAN_FILTERS + 1) {
                        DP_VERBOSE(p_hwfn,
                                   QED_MSG_IOV,
                                   "VF [%d] - Tries to configure more than %d vlan filters\n",
                                   p_vf->relative_vf_id,
                                   QED_ETH_VF_NUM_VLAN_FILTERS + 1);
                        return -EINVAL;
                }
        }

        return 0;
}

static int qed_iov_vf_update_mac_shadow(struct qed_hwfn *p_hwfn,
                                        struct qed_vf_info *p_vf,
                                        struct qed_filter_ucast *p_params)
{
        int i;

        /* If we're in forced-mode, we don't allow any change */
        if (p_vf->bulletin.p_virt->valid_bitmap & BIT(MAC_ADDR_FORCED))
                return 0;

        /* Don't keep track of shadow copy since we don't intend to restore. */
        if (p_vf->p_vf_info.is_trusted_configured)
                return 0;

        /* First remove entries and then add new ones */
        if (p_params->opcode == QED_FILTER_REMOVE) {
                for (i = 0; i < QED_ETH_VF_NUM_MAC_FILTERS; i++) {
                        if (ether_addr_equal(p_vf->shadow_config.macs[i],
                                             p_params->mac)) {
                                eth_zero_addr(p_vf->shadow_config.macs[i]);
                                break;
                        }
                }

                if (i == QED_ETH_VF_NUM_MAC_FILTERS) {
                        DP_VERBOSE(p_hwfn, QED_MSG_IOV,
                                   "MAC isn't configured\n");
                        return -EINVAL;
                }
        } else if (p_params->opcode == QED_FILTER_REPLACE ||
                   p_params->opcode == QED_FILTER_FLUSH) {
                for (i = 0; i < QED_ETH_VF_NUM_MAC_FILTERS; i++)
                        eth_zero_addr(p_vf->shadow_config.macs[i]);
        }

        /* List the new MAC address */
        if (p_params->opcode != QED_FILTER_ADD &&
            p_params->opcode != QED_FILTER_REPLACE)
                return 0;

        for (i = 0; i < QED_ETH_VF_NUM_MAC_FILTERS; i++) {
                if (is_zero_ether_addr(p_vf->shadow_config.macs[i])) {
                        ether_addr_copy(p_vf->shadow_config.macs[i],
                                        p_params->mac);
                        DP_VERBOSE(p_hwfn, QED_MSG_IOV,
                                   "Added MAC at %d entry in shadow\n", i);
                        break;
                }
        }

        if (i == QED_ETH_VF_NUM_MAC_FILTERS) {
                DP_VERBOSE(p_hwfn, QED_MSG_IOV, "No available place for MAC\n");
                return -EINVAL;
        }

        return 0;
}

static int
qed_iov_vf_update_unicast_shadow(struct qed_hwfn *p_hwfn,
                                 struct qed_vf_info *p_vf,
                                 struct qed_filter_ucast *p_params)
{
        int rc = 0;

        if (p_params->type == QED_FILTER_MAC) {
                rc = qed_iov_vf_update_mac_shadow(p_hwfn, p_vf, p_params);
                if (rc)
                        return rc;
        }

        if (p_params->type == QED_FILTER_VLAN)
                rc = qed_iov_vf_update_vlan_shadow(p_hwfn, p_vf, p_params);

        return rc;
}

static int qed_iov_chk_ucast(struct qed_hwfn *hwfn,
                             int vfid, struct qed_filter_ucast *params)
{
        struct qed_public_vf_info *vf;

        vf = qed_iov_get_public_vf_info(hwfn, vfid, true);
        if (!vf)
                return -EINVAL;

        /* No real decision to make; Store the configured MAC */
        if (params->type == QED_FILTER_MAC ||
            params->type == QED_FILTER_MAC_VLAN) {
                ether_addr_copy(vf->mac, params->mac);

                if (vf->is_trusted_configured) {
                        qed_iov_bulletin_set_mac(hwfn, vf->mac, vfid);

                        /* Update and post bulleitin again */
                        qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
                }
        }

        return 0;
}

static void qed_iov_vf_mbx_ucast_filter(struct qed_hwfn *p_hwfn,
                                        struct qed_ptt *p_ptt,
                                        struct qed_vf_info *vf)
{
        struct qed_bulletin_content *p_bulletin = vf->bulletin.p_virt;
        struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
        struct vfpf_ucast_filter_tlv *req;
        u8 status = PFVF_STATUS_SUCCESS;
        struct qed_filter_ucast params;
        int rc;

        /* Prepare the unicast filter params */
        memset(&params, 0, sizeof(struct qed_filter_ucast));
        req = &mbx->req_virt->ucast_filter;
        params.opcode = (enum qed_filter_opcode)req->opcode;
        params.type = (enum qed_filter_ucast_type)req->type;

        params.is_rx_filter = 1;
        params.is_tx_filter = 1;
        params.vport_to_remove_from = vf->vport_id;
        params.vport_to_add_to = vf->vport_id;
        memcpy(params.mac, req->mac, ETH_ALEN);
        params.vlan = req->vlan;

        DP_VERBOSE(p_hwfn,
                   QED_MSG_IOV,
                   "VF[%d]: opcode 0x%02x type 0x%02x [%s %s] [vport 0x%02x] MAC %pM, vlan 0x%04x\n",
                   vf->abs_vf_id, params.opcode, params.type,
                   params.is_rx_filter ? "RX" : "",
                   params.is_tx_filter ? "TX" : "",
                   params.vport_to_add_to,
                   params.mac, params.vlan);

        if (!vf->vport_instance) {
                DP_VERBOSE(p_hwfn,
                           QED_MSG_IOV,
                           "No VPORT instance available for VF[%d], failing ucast MAC configuration\n",
                           vf->abs_vf_id);
                status = PFVF_STATUS_FAILURE;
                goto out;
        }

        /* Update shadow copy of the VF configuration */
        if (qed_iov_vf_update_unicast_shadow(p_hwfn, vf, &params)) {
                status = PFVF_STATUS_FAILURE;
                goto out;
        }

        /* Determine if the unicast filtering is acceptable by PF */
        if ((p_bulletin->valid_bitmap & BIT(VLAN_ADDR_FORCED)) &&
            (params.type == QED_FILTER_VLAN ||
             params.type == QED_FILTER_MAC_VLAN)) {
                /* Once VLAN is forced or PVID is set, do not allow
                 * to add/replace any further VLANs.
                 */
                if (params.opcode == QED_FILTER_ADD ||
                    params.opcode == QED_FILTER_REPLACE)
                        status = PFVF_STATUS_FORCED;
                goto out;
        }

        if ((p_bulletin->valid_bitmap & BIT(MAC_ADDR_FORCED)) &&
            (params.type == QED_FILTER_MAC ||
             params.type == QED_FILTER_MAC_VLAN)) {
                if (!ether_addr_equal(p_bulletin->mac, params.mac) ||
                    (params.opcode != QED_FILTER_ADD &&
                     params.opcode != QED_FILTER_REPLACE))
                        status = PFVF_STATUS_FORCED;
                goto out;
        }

        rc = qed_iov_chk_ucast(p_hwfn, vf->relative_vf_id, &params);
        if (rc) {
                status = PFVF_STATUS_FAILURE;
                goto out;
        }

        rc = qed_sp_eth_filter_ucast(p_hwfn, vf->opaque_fid, &params,
                                     QED_SPQ_MODE_CB, NULL);
        if (rc)
                status = PFVF_STATUS_FAILURE;

out:
        qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_UCAST_FILTER,
                             sizeof(struct pfvf_def_resp_tlv), status);
}

static void qed_iov_vf_mbx_int_cleanup(struct qed_hwfn *p_hwfn,
                                       struct qed_ptt *p_ptt,
                                       struct qed_vf_info *vf)
{
        int i;

        /* Reset the SBs */
        for (i = 0; i < vf->num_sbs; i++)
                qed_int_igu_init_pure_rt_single(p_hwfn, p_ptt,
                                                vf->igu_sbs[i],
                                                vf->opaque_fid, false);

        qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_INT_CLEANUP,
                             sizeof(struct pfvf_def_resp_tlv),
                             PFVF_STATUS_SUCCESS);
}

static void qed_iov_vf_mbx_close(struct qed_hwfn *p_hwfn,
                                 struct qed_ptt *p_ptt, struct qed_vf_info *vf)
{
        u16 length = sizeof(struct pfvf_def_resp_tlv);
        u8 status = PFVF_STATUS_SUCCESS;

        /* Disable Interrupts for VF */
        qed_iov_vf_igu_set_int(p_hwfn, p_ptt, vf, 0);

        /* Reset Permission table */
        qed_iov_config_perm_table(p_hwfn, p_ptt, vf, 0);

        qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_CLOSE,
                             length, status);
}

static void qed_iov_vf_mbx_release(struct qed_hwfn *p_hwfn,
                                   struct qed_ptt *p_ptt,
                                   struct qed_vf_info *p_vf)
{
        u16 length = sizeof(struct pfvf_def_resp_tlv);
        u8 status = PFVF_STATUS_SUCCESS;
        int rc = 0;

        qed_iov_vf_cleanup(p_hwfn, p_vf);

        if (p_vf->state != VF_STOPPED && p_vf->state != VF_FREE) {
                /* Stopping the VF */
                rc = qed_sp_vf_stop(p_hwfn, p_vf->concrete_fid,
                                    p_vf->opaque_fid);

                if (rc) {
                        DP_ERR(p_hwfn, "qed_sp_vf_stop returned error %d\n",
                               rc);
                        status = PFVF_STATUS_FAILURE;
                }

                p_vf->state = VF_STOPPED;
        }

        qed_iov_prepare_resp(p_hwfn, p_ptt, p_vf, CHANNEL_TLV_RELEASE,
                             length, status);
}

static void qed_iov_vf_pf_get_coalesce(struct qed_hwfn *p_hwfn,
                                       struct qed_ptt *p_ptt,
                                       struct qed_vf_info *p_vf)
{
        struct qed_iov_vf_mbx *mbx = &p_vf->vf_mbx;
        struct pfvf_read_coal_resp_tlv *p_resp;
        struct vfpf_read_coal_req_tlv *req;
        u8 status = PFVF_STATUS_FAILURE;
        struct qed_vf_queue *p_queue;
        struct qed_queue_cid *p_cid;
        u16 coal = 0, qid, i;
        bool b_is_rx;
        int rc = 0;

        mbx->offset = (u8 *)mbx->reply_virt;
        req = &mbx->req_virt->read_coal_req;

        qid = req->qid;
        b_is_rx = req->is_rx ? true : false;

        if (b_is_rx) {
                if (!qed_iov_validate_rxq(p_hwfn, p_vf, qid,
                                          QED_IOV_VALIDATE_Q_ENABLE)) {
                        DP_VERBOSE(p_hwfn, QED_MSG_IOV,
                                   "VF[%d]: Invalid Rx queue_id = %d\n",
                                   p_vf->abs_vf_id, qid);
                        goto send_resp;
                }

                p_cid = qed_iov_get_vf_rx_queue_cid(&p_vf->vf_queues[qid]);
                rc = qed_get_rxq_coalesce(p_hwfn, p_ptt, p_cid, &coal);
                if (rc)
                        goto send_resp;
        } else {
                if (!qed_iov_validate_txq(p_hwfn, p_vf, qid,
                                          QED_IOV_VALIDATE_Q_ENABLE)) {
                        DP_VERBOSE(p_hwfn, QED_MSG_IOV,
                                   "VF[%d]: Invalid Tx queue_id = %d\n",
                                   p_vf->abs_vf_id, qid);
                        goto send_resp;
                }
                for (i = 0; i < MAX_QUEUES_PER_QZONE; i++) {
                        p_queue = &p_vf->vf_queues[qid];
                        if ((!p_queue->cids[i].p_cid) ||
                            (!p_queue->cids[i].b_is_tx))
                                continue;

                        p_cid = p_queue->cids[i].p_cid;

                        rc = qed_get_txq_coalesce(p_hwfn, p_ptt, p_cid, &coal);
                        if (rc)
                                goto send_resp;
                        break;
                }
        }

        status = PFVF_STATUS_SUCCESS;

send_resp:
        p_resp = qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_COALESCE_READ,
                             sizeof(*p_resp));
        p_resp->coal = coal;

        qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_LIST_END,
                    sizeof(struct channel_list_end_tlv));

        qed_iov_send_response(p_hwfn, p_ptt, p_vf, sizeof(*p_resp), status);
}

static void qed_iov_vf_pf_set_coalesce(struct qed_hwfn *p_hwfn,
                                       struct qed_ptt *p_ptt,
                                       struct qed_vf_info *vf)
{
        struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
        struct vfpf_update_coalesce *req;
        u8 status = PFVF_STATUS_FAILURE;
        struct qed_queue_cid *p_cid;
        u16 rx_coal, tx_coal;
        int rc = 0, i;
        u16 qid;

        req = &mbx->req_virt->update_coalesce;

        rx_coal = req->rx_coal;
        tx_coal = req->tx_coal;
        qid = req->qid;

        if (!qed_iov_validate_rxq(p_hwfn, vf, qid,
                                  QED_IOV_VALIDATE_Q_ENABLE) && rx_coal) {
                DP_VERBOSE(p_hwfn, QED_MSG_IOV,
                           "VF[%d]: Invalid Rx queue_id = %d\n",
                           vf->abs_vf_id, qid);
                goto out;
        }

        if (!qed_iov_validate_txq(p_hwfn, vf, qid,
                                  QED_IOV_VALIDATE_Q_ENABLE) && tx_coal) {
                DP_VERBOSE(p_hwfn, QED_MSG_IOV,
                           "VF[%d]: Invalid Tx queue_id = %d\n",
                           vf->abs_vf_id, qid);
                goto out;
        }

        DP_VERBOSE(p_hwfn,
                   QED_MSG_IOV,
                   "VF[%d]: Setting coalesce for VF rx_coal = %d, tx_coal = %d at queue = %d\n",
                   vf->abs_vf_id, rx_coal, tx_coal, qid);

        if (rx_coal) {
                p_cid = qed_iov_get_vf_rx_queue_cid(&vf->vf_queues[qid]);

                rc = qed_set_rxq_coalesce(p_hwfn, p_ptt, rx_coal, p_cid);
                if (rc) {
                        DP_VERBOSE(p_hwfn,
                                   QED_MSG_IOV,
                                   "VF[%d]: Unable to set rx queue = %d coalesce\n",
                                   vf->abs_vf_id, vf->vf_queues[qid].fw_rx_qid);
                        goto out;
                }
                vf->rx_coal = rx_coal;
        }

        if (tx_coal) {
                struct qed_vf_queue *p_queue = &vf->vf_queues[qid];

                for (i = 0; i < MAX_QUEUES_PER_QZONE; i++) {
                        if (!p_queue->cids[i].p_cid)
                                continue;

                        if (!p_queue->cids[i].b_is_tx)
                                continue;

                        rc = qed_set_txq_coalesce(p_hwfn, p_ptt, tx_coal,
                                                  p_queue->cids[i].p_cid);

                        if (rc) {
                                DP_VERBOSE(p_hwfn,
                                           QED_MSG_IOV,
                                           "VF[%d]: Unable to set tx queue coalesce\n",
                                           vf->abs_vf_id);
                                goto out;
                        }
                }
                vf->tx_coal = tx_coal;
        }

        status = PFVF_STATUS_SUCCESS;
out:
        qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_COALESCE_UPDATE,
                             sizeof(struct pfvf_def_resp_tlv), status);
}

static int
qed_iov_vf_flr_poll_dorq(struct qed_hwfn *p_hwfn,
                         struct qed_vf_info *p_vf, struct qed_ptt *p_ptt)
{
        int cnt;
        u32 val;

        qed_fid_pretend(p_hwfn, p_ptt, (u16)p_vf->concrete_fid);

        for (cnt = 0; cnt < 50; cnt++) {
                val = qed_rd(p_hwfn, p_ptt, DORQ_REG_VF_USAGE_CNT);
                if (!val)
                        break;
                msleep(20);
        }
        qed_fid_pretend(p_hwfn, p_ptt, (u16)p_hwfn->hw_info.concrete_fid);

        if (cnt == 50) {
                DP_ERR(p_hwfn,
                       "VF[%d] - dorq failed to cleanup [usage 0x%08x]\n",
                       p_vf->abs_vf_id, val);
                return -EBUSY;
        }

        return 0;
}

#define MAX_NUM_EXT_VOQS        (MAX_NUM_PORTS * NUM_OF_TCS)

static int
qed_iov_vf_flr_poll_pbf(struct qed_hwfn *p_hwfn,
                        struct qed_vf_info *p_vf, struct qed_ptt *p_ptt)
{
        u32 prod, cons[MAX_NUM_EXT_VOQS], distance[MAX_NUM_EXT_VOQS], tmp;
        u8 max_phys_tcs_per_port = p_hwfn->qm_info.max_phys_tcs_per_port;
        u8 max_ports_per_engine = p_hwfn->cdev->num_ports_in_engine;
        u32 prod_voq0_addr = PBF_REG_NUM_BLOCKS_ALLOCATED_PROD_VOQ0;
        u32 cons_voq0_addr = PBF_REG_NUM_BLOCKS_ALLOCATED_CONS_VOQ0;
        u8 port_id, tc, tc_id = 0, voq = 0;
        int cnt;

        memset(cons, 0, MAX_NUM_EXT_VOQS * sizeof(u32));
        memset(distance, 0, MAX_NUM_EXT_VOQS * sizeof(u32));

        /* Read initial consumers & producers */
        for (port_id = 0; port_id < max_ports_per_engine; port_id++) {
                /* "max_phys_tcs_per_port" active TCs + 1 pure LB TC */
                for (tc = 0; tc < max_phys_tcs_per_port + 1; tc++) {
                        tc_id = (tc < max_phys_tcs_per_port) ? tc : PURE_LB_TC;
                        voq = VOQ(port_id, tc_id, max_phys_tcs_per_port);
                        cons[voq] = qed_rd(p_hwfn, p_ptt,
                                           cons_voq0_addr + voq * 0x40);
                        prod = qed_rd(p_hwfn, p_ptt,
                                      prod_voq0_addr + voq * 0x40);
                        distance[voq] = prod - cons[voq];
                }
        }

        /* Wait for consumers to pass the producers */
        port_id = 0;
        tc = 0;
        for (cnt = 0; cnt < 50; cnt++) {
                for (; port_id < max_ports_per_engine; port_id++) {
                        /* "max_phys_tcs_per_port" active TCs + 1 pure LB TC */
                        for (; tc < max_phys_tcs_per_port + 1; tc++) {
                                tc_id = (tc < max_phys_tcs_per_port) ?
                                    tc : PURE_LB_TC;
                                voq = VOQ(port_id,
                                          tc_id, max_phys_tcs_per_port);
                                tmp = qed_rd(p_hwfn, p_ptt,
                                             cons_voq0_addr + voq * 0x40);
                                if (distance[voq] > tmp - cons[voq])
                                        break;
                        }

                        if (tc == max_phys_tcs_per_port + 1)
                                tc = 0;
                        else
                                break;
                }

                if (port_id == max_ports_per_engine)
                        break;

                msleep(20);
        }

        if (cnt == 50) {
                DP_ERR(p_hwfn, "VF[%d]: pbf poll failed on VOQ%d\n",
                       p_vf->abs_vf_id, (int)voq);

                DP_ERR(p_hwfn, "VOQ %d has port_id as %d and tc_id as %d]\n",
                       (int)voq, (int)port_id, (int)tc_id);

                return -EBUSY;
        }

        return 0;
}

static int qed_iov_vf_flr_poll(struct qed_hwfn *p_hwfn,
                               struct qed_vf_info *p_vf, struct qed_ptt *p_ptt)
{
        int rc;

        rc = qed_iov_vf_flr_poll_dorq(p_hwfn, p_vf, p_ptt);
        if (rc)
                return rc;

        rc = qed_iov_vf_flr_poll_pbf(p_hwfn, p_vf, p_ptt);
        if (rc)
                return rc;

        return 0;
}

static int
qed_iov_execute_vf_flr_cleanup(struct qed_hwfn *p_hwfn,
                               struct qed_ptt *p_ptt,
                               u16 rel_vf_id, u32 *ack_vfs)
{
        struct qed_vf_info *p_vf;
        int rc = 0;

        p_vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, false);
        if (!p_vf)
                return 0;

        if (p_hwfn->pf_iov_info->pending_flr[rel_vf_id / 64] &
            (1ULL << (rel_vf_id % 64))) {
                u16 vfid = p_vf->abs_vf_id;

                DP_VERBOSE(p_hwfn, QED_MSG_IOV,
                           "VF[%d] - Handling FLR\n", vfid);

                qed_iov_vf_cleanup(p_hwfn, p_vf);

                /* If VF isn't active, no need for anything but SW */
                if (!p_vf->b_init)
                        goto cleanup;

                rc = qed_iov_vf_flr_poll(p_hwfn, p_vf, p_ptt);
                if (rc)
                        goto cleanup;

                rc = qed_final_cleanup(p_hwfn, p_ptt, vfid, true);
                if (rc) {
                        DP_ERR(p_hwfn, "Failed handle FLR of VF[%d]\n", vfid);
                        return rc;
                }

                /* Workaround to make VF-PF channel ready, as FW
                 * doesn't do that as a part of FLR.
                 */
                REG_WR(p_hwfn,
                       GET_GTT_REG_ADDR(GTT_BAR0_MAP_REG_USDM_RAM,
                                        USTORM_VF_PF_CHANNEL_READY, vfid), 1);

                /* VF_STOPPED has to be set only after final cleanup
                 * but prior to re-enabling the VF.
                 */
                p_vf->state = VF_STOPPED;

                rc = qed_iov_enable_vf_access(p_hwfn, p_ptt, p_vf);
                if (rc) {
                        DP_ERR(p_hwfn, "Failed to re-enable VF[%d] access\n",
                               vfid);
                        return rc;
                }
cleanup:
                /* Mark VF for ack and clean pending state */
                if (p_vf->state == VF_RESET)
                        p_vf->state = VF_STOPPED;
                ack_vfs[vfid / 32] |= BIT((vfid % 32));
                p_hwfn->pf_iov_info->pending_flr[rel_vf_id / 64] &=
                    ~(1ULL << (rel_vf_id % 64));
                p_vf->vf_mbx.b_pending_msg = false;
        }

        return rc;
}

static int
qed_iov_vf_flr_cleanup(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
{
        u32 ack_vfs[VF_MAX_STATIC / 32];
        int rc = 0;
        u16 i;

        memset(ack_vfs, 0, sizeof(u32) * (VF_MAX_STATIC / 32));

        /* Since BRB <-> PRS interface can't be tested as part of the flr
         * polling due to HW limitations, simply sleep a bit. And since
         * there's no need to wait per-vf, do it before looping.
         */
        msleep(100);

        for (i = 0; i < p_hwfn->cdev->p_iov_info->total_vfs; i++)
                qed_iov_execute_vf_flr_cleanup(p_hwfn, p_ptt, i, ack_vfs);

        rc = qed_mcp_ack_vf_flr(p_hwfn, p_ptt, ack_vfs);
        return rc;
}

bool qed_iov_mark_vf_flr(struct qed_hwfn *p_hwfn, u32 *p_disabled_vfs)
{
        bool found = false;
        u16 i;

        DP_VERBOSE(p_hwfn, QED_MSG_IOV, "Marking FLR-ed VFs\n");
        for (i = 0; i < (VF_MAX_STATIC / 32); i++)
                DP_VERBOSE(p_hwfn, QED_MSG_IOV,
                           "[%08x,...,%08x]: %08x\n",
                           i * 32, (i + 1) * 32 - 1, p_disabled_vfs[i]);

        if (!p_hwfn->cdev->p_iov_info) {
                DP_NOTICE(p_hwfn, "VF flr but no IOV\n");
                return false;
        }

        /* Mark VFs */
        for (i = 0; i < p_hwfn->cdev->p_iov_info->total_vfs; i++) {
                struct qed_vf_info *p_vf;
                u8 vfid;

                p_vf = qed_iov_get_vf_info(p_hwfn, i, false);
                if (!p_vf)
                        continue;

                vfid = p_vf->abs_vf_id;
                if (BIT((vfid % 32)) & p_disabled_vfs[vfid / 32]) {
                        u64 *p_flr = p_hwfn->pf_iov_info->pending_flr;
                        u16 rel_vf_id = p_vf->relative_vf_id;

                        DP_VERBOSE(p_hwfn, QED_MSG_IOV,
                                   "VF[%d] [rel %d] got FLR-ed\n",
                                   vfid, rel_vf_id);

                        p_vf->state = VF_RESET;

                        /* No need to lock here, since pending_flr should
                         * only change here and before ACKing MFw. Since
                         * MFW will not trigger an additional attention for
                         * VF flr until ACKs, we're safe.
                         */
                        p_flr[rel_vf_id / 64] |= 1ULL << (rel_vf_id % 64);
                        found = true;
                }
        }

        return found;
}

static int qed_iov_get_link(struct qed_hwfn *p_hwfn,
                            u16 vfid,
                            struct qed_mcp_link_params *p_params,
                            struct qed_mcp_link_state *p_link,
                            struct qed_mcp_link_capabilities *p_caps)
{
        struct qed_vf_info *p_vf = qed_iov_get_vf_info(p_hwfn,
                                                       vfid,
                                                       false);
        struct qed_bulletin_content *p_bulletin;

        if (!p_vf)
                return -EINVAL;

        p_bulletin = p_vf->bulletin.p_virt;

        if (p_params)
                __qed_vf_get_link_params(p_hwfn, p_params, p_bulletin);
        if (p_link)
                __qed_vf_get_link_state(p_hwfn, p_link, p_bulletin);
        if (p_caps)
                __qed_vf_get_link_caps(p_hwfn, p_caps, p_bulletin);
        return 0;
}

static int
qed_iov_vf_pf_bulletin_update_mac(struct qed_hwfn *p_hwfn,
                                  struct qed_ptt *p_ptt,
                                  struct qed_vf_info *p_vf)
{
        struct qed_bulletin_content *p_bulletin = p_vf->bulletin.p_virt;
        struct qed_iov_vf_mbx *mbx = &p_vf->vf_mbx;
        struct vfpf_bulletin_update_mac_tlv *p_req;
        u8 status = PFVF_STATUS_SUCCESS;
        int rc = 0;

        if (!p_vf->p_vf_info.is_trusted_configured) {
                DP_VERBOSE(p_hwfn,
                           QED_MSG_IOV,
                           "Blocking bulletin update request from untrusted VF[%d]\n",
                           p_vf->abs_vf_id);
                status = PFVF_STATUS_NOT_SUPPORTED;
                rc = -EINVAL;
                goto send_status;
        }

        p_req = &mbx->req_virt->bulletin_update_mac;
        ether_addr_copy(p_bulletin->mac, p_req->mac);
        DP_VERBOSE(p_hwfn, QED_MSG_IOV,
                   "Updated bulletin of VF[%d] with requested MAC[%pM]\n",
                   p_vf->abs_vf_id, p_req->mac);

send_status:
        qed_iov_prepare_resp(p_hwfn, p_ptt, p_vf,
                             CHANNEL_TLV_BULLETIN_UPDATE_MAC,
                             sizeof(struct pfvf_def_resp_tlv), status);
        return rc;
}

static void qed_iov_process_mbx_req(struct qed_hwfn *p_hwfn,
                                    struct qed_ptt *p_ptt, int vfid)
{
        struct qed_iov_vf_mbx *mbx;
        struct qed_vf_info *p_vf;

        p_vf = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true);
        if (!p_vf)
                return;

        mbx = &p_vf->vf_mbx;

        /* qed_iov_process_mbx_request */
        if (!mbx->b_pending_msg) {
                DP_NOTICE(p_hwfn,
                          "VF[%02x]: Trying to process mailbox message when none is pending\n",
                          p_vf->abs_vf_id);
                return;
        }
        mbx->b_pending_msg = false;

        mbx->first_tlv = mbx->req_virt->first_tlv;

        DP_VERBOSE(p_hwfn, QED_MSG_IOV,
                   "VF[%02x]: Processing mailbox message [type %04x]\n",
                   p_vf->abs_vf_id, mbx->first_tlv.tl.type);

        /* check if tlv type is known */
        if (qed_iov_tlv_supported(mbx->first_tlv.tl.type) &&
            !p_vf->b_malicious) {
                switch (mbx->first_tlv.tl.type) {
                case CHANNEL_TLV_ACQUIRE:
                        qed_iov_vf_mbx_acquire(p_hwfn, p_ptt, p_vf);
                        break;
                case CHANNEL_TLV_VPORT_START:
                        qed_iov_vf_mbx_start_vport(p_hwfn, p_ptt, p_vf);
                        break;
                case CHANNEL_TLV_VPORT_TEARDOWN:
                        qed_iov_vf_mbx_stop_vport(p_hwfn, p_ptt, p_vf);
                        break;
                case CHANNEL_TLV_START_RXQ:
                        qed_iov_vf_mbx_start_rxq(p_hwfn, p_ptt, p_vf);
                        break;
                case CHANNEL_TLV_START_TXQ:
                        qed_iov_vf_mbx_start_txq(p_hwfn, p_ptt, p_vf);
                        break;
                case CHANNEL_TLV_STOP_RXQS:
                        qed_iov_vf_mbx_stop_rxqs(p_hwfn, p_ptt, p_vf);
                        break;
                case CHANNEL_TLV_STOP_TXQS:
                        qed_iov_vf_mbx_stop_txqs(p_hwfn, p_ptt, p_vf);
                        break;
                case CHANNEL_TLV_UPDATE_RXQ:
                        qed_iov_vf_mbx_update_rxqs(p_hwfn, p_ptt, p_vf);
                        break;
                case CHANNEL_TLV_VPORT_UPDATE:
                        qed_iov_vf_mbx_vport_update(p_hwfn, p_ptt, p_vf);
                        break;
                case CHANNEL_TLV_UCAST_FILTER:
                        qed_iov_vf_mbx_ucast_filter(p_hwfn, p_ptt, p_vf);
                        break;
                case CHANNEL_TLV_CLOSE:
                        qed_iov_vf_mbx_close(p_hwfn, p_ptt, p_vf);
                        break;
                case CHANNEL_TLV_INT_CLEANUP:
                        qed_iov_vf_mbx_int_cleanup(p_hwfn, p_ptt, p_vf);
                        break;
                case CHANNEL_TLV_RELEASE:
                        qed_iov_vf_mbx_release(p_hwfn, p_ptt, p_vf);
                        break;
                case CHANNEL_TLV_UPDATE_TUNN_PARAM:
                        qed_iov_vf_mbx_update_tunn_param(p_hwfn, p_ptt, p_vf);
                        break;
                case CHANNEL_TLV_COALESCE_UPDATE:
                        qed_iov_vf_pf_set_coalesce(p_hwfn, p_ptt, p_vf);
                        break;
                case CHANNEL_TLV_COALESCE_READ:
                        qed_iov_vf_pf_get_coalesce(p_hwfn, p_ptt, p_vf);
                        break;
                case CHANNEL_TLV_BULLETIN_UPDATE_MAC:
                        qed_iov_vf_pf_bulletin_update_mac(p_hwfn, p_ptt, p_vf);
                        break;
                }
        } else if (qed_iov_tlv_supported(mbx->first_tlv.tl.type)) {
                DP_VERBOSE(p_hwfn, QED_MSG_IOV,
                           "VF [%02x] - considered malicious; Ignoring TLV [%04x]\n",
                           p_vf->abs_vf_id, mbx->first_tlv.tl.type);

                qed_iov_prepare_resp(p_hwfn, p_ptt, p_vf,
                                     mbx->first_tlv.tl.type,
                                     sizeof(struct pfvf_def_resp_tlv),
                                     PFVF_STATUS_MALICIOUS);
        } else {
                /* unknown TLV - this may belong to a VF driver from the future
                 * - a version written after this PF driver was written, which
                 * supports features unknown as of yet. Too bad since we don't
                 * support them. Or this may be because someone wrote a crappy
                 * VF driver and is sending garbage over the channel.
                 */
                DP_NOTICE(p_hwfn,
                          "VF[%02x]: unknown TLV. type %04x length %04x padding %08x reply address %llu\n",
                          p_vf->abs_vf_id,
                          mbx->first_tlv.tl.type,
                          mbx->first_tlv.tl.length,
                          mbx->first_tlv.padding, mbx->first_tlv.reply_address);

                /* Try replying in case reply address matches the acquisition's
                 * posted address.
                 */
                if (p_vf->acquire.first_tlv.reply_address &&
                    (mbx->first_tlv.reply_address ==
                     p_vf->acquire.first_tlv.reply_address)) {
                        qed_iov_prepare_resp(p_hwfn, p_ptt, p_vf,
                                             mbx->first_tlv.tl.type,
                                             sizeof(struct pfvf_def_resp_tlv),
                                             PFVF_STATUS_NOT_SUPPORTED);
                } else {
                        DP_VERBOSE(p_hwfn,
                                   QED_MSG_IOV,
                                   "VF[%02x]: Can't respond to TLV - no valid reply address\n",
                                   p_vf->abs_vf_id);
                }
        }
}

static void qed_iov_pf_get_pending_events(struct qed_hwfn *p_hwfn, u64 *events)
{
        int i;

        memset(events, 0, sizeof(u64) * QED_VF_ARRAY_LENGTH);

        qed_for_each_vf(p_hwfn, i) {
                struct qed_vf_info *p_vf;

                p_vf = &p_hwfn->pf_iov_info->vfs_array[i];
                if (p_vf->vf_mbx.b_pending_msg)
                        events[i / 64] |= 1ULL << (i % 64);
        }
}

static struct qed_vf_info *qed_sriov_get_vf_from_absid(struct qed_hwfn *p_hwfn,
                                                       u16 abs_vfid)
{
        u8 min = (u8)p_hwfn->cdev->p_iov_info->first_vf_in_pf;

        if (!_qed_iov_pf_sanity_check(p_hwfn, (int)abs_vfid - min, false)) {
                DP_VERBOSE(p_hwfn,
                           QED_MSG_IOV,
                           "Got indication for VF [abs 0x%08x] that cannot be handled by PF\n",
                           abs_vfid);
                return NULL;
        }

        return &p_hwfn->pf_iov_info->vfs_array[(u8)abs_vfid - min];
}

static int qed_sriov_vfpf_msg(struct qed_hwfn *p_hwfn,
                              u16 abs_vfid, struct regpair *vf_msg)
{
        struct qed_vf_info *p_vf = qed_sriov_get_vf_from_absid(p_hwfn,
                           abs_vfid);

        if (!p_vf)
                return 0;

        /* List the physical address of the request so that handler
         * could later on copy the message from it.
         */
        p_vf->vf_mbx.pending_req = HILO_64(vf_msg->hi, vf_msg->lo);

        /* Mark the event and schedule the workqueue */
        p_vf->vf_mbx.b_pending_msg = true;
        qed_schedule_iov(p_hwfn, QED_IOV_WQ_MSG_FLAG);

        return 0;
}

void qed_sriov_vfpf_malicious(struct qed_hwfn *p_hwfn,
                              struct fw_err_data *p_data)
{
        struct qed_vf_info *p_vf;

        p_vf = qed_sriov_get_vf_from_absid(p_hwfn, qed_vf_from_entity_id
                                           (p_data->entity_id));
        if (!p_vf)
                return;

        if (!p_vf->b_malicious) {
                DP_NOTICE(p_hwfn,
                          "VF [%d] - Malicious behavior [%02x]\n",
                          p_vf->abs_vf_id, p_data->err_id);

                p_vf->b_malicious = true;
        } else {
                DP_INFO(p_hwfn,
                        "VF [%d] - Malicious behavior [%02x]\n",
                        p_vf->abs_vf_id, p_data->err_id);
        }
}

int qed_sriov_eqe_event(struct qed_hwfn *p_hwfn, u8 opcode, __le16 echo,
                        union event_ring_data *data, u8 fw_return_code)
{
        switch (opcode) {
        case COMMON_EVENT_VF_PF_CHANNEL:
                return qed_sriov_vfpf_msg(p_hwfn, le16_to_cpu(echo),
                                          &data->vf_pf_channel.msg_addr);
        default:
                DP_INFO(p_hwfn->cdev, "Unknown sriov eqe event 0x%02x\n",
                        opcode);
                return -EINVAL;
        }
}

u16 qed_iov_get_next_active_vf(struct qed_hwfn *p_hwfn, u16 rel_vf_id)
{
        struct qed_hw_sriov_info *p_iov = p_hwfn->cdev->p_iov_info;
        u16 i;

        if (!p_iov)
                goto out;

        for (i = rel_vf_id; i < p_iov->total_vfs; i++)
                if (qed_iov_is_valid_vfid(p_hwfn, rel_vf_id, true, false))
                        return i;

out:
        return MAX_NUM_VFS;
}

static int qed_iov_copy_vf_msg(struct qed_hwfn *p_hwfn, struct qed_ptt *ptt,
                               int vfid)
{
        struct qed_dmae_params params;
        struct qed_vf_info *vf_info;

        vf_info = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true);
        if (!vf_info)
                return -EINVAL;

        memset(&params, 0, sizeof(params));
        SET_FIELD(params.flags, QED_DMAE_PARAMS_SRC_VF_VALID, 0x1);
        SET_FIELD(params.flags, QED_DMAE_PARAMS_COMPLETION_DST, 0x1);
        params.src_vfid = vf_info->abs_vf_id;

        if (qed_dmae_host2host(p_hwfn, ptt,
                               vf_info->vf_mbx.pending_req,
                               vf_info->vf_mbx.req_phys,
                               sizeof(union vfpf_tlvs) / 4, &params)) {
                DP_VERBOSE(p_hwfn, QED_MSG_IOV,
                           "Failed to copy message from VF 0x%02x\n", vfid);

                return -EIO;
        }

        return 0;
}

static void qed_iov_bulletin_set_forced_mac(struct qed_hwfn *p_hwfn,
                                            u8 *mac, int vfid)
{
        struct qed_vf_info *vf_info;
        u64 feature;

        vf_info = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true);
        if (!vf_info) {
                DP_NOTICE(p_hwfn->cdev,
                          "Can not set forced MAC, invalid vfid [%d]\n", vfid);
                return;
        }

        if (vf_info->b_malicious) {
                DP_NOTICE(p_hwfn->cdev,
                          "Can't set forced MAC to malicious VF [%d]\n", vfid);
                return;
        }

        if (vf_info->p_vf_info.is_trusted_configured) {
                feature = BIT(VFPF_BULLETIN_MAC_ADDR);
                /* Trust mode will disable Forced MAC */
                vf_info->bulletin.p_virt->valid_bitmap &=
                        ~BIT(MAC_ADDR_FORCED);
        } else {
                feature = BIT(MAC_ADDR_FORCED);
                /* Forced MAC will disable MAC_ADDR */
                vf_info->bulletin.p_virt->valid_bitmap &=
                        ~BIT(VFPF_BULLETIN_MAC_ADDR);
        }

        memcpy(vf_info->bulletin.p_virt->mac, mac, ETH_ALEN);

        vf_info->bulletin.p_virt->valid_bitmap |= feature;

        qed_iov_configure_vport_forced(p_hwfn, vf_info, feature);
}

static int qed_iov_bulletin_set_mac(struct qed_hwfn *p_hwfn, u8 *mac, int vfid)
{
        struct qed_vf_info *vf_info;
        u64 feature;

        vf_info = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true);
        if (!vf_info) {
                DP_NOTICE(p_hwfn->cdev, "Can not set MAC, invalid vfid [%d]\n",
                          vfid);
                return -EINVAL;
        }

        if (vf_info->b_malicious) {
                DP_NOTICE(p_hwfn->cdev, "Can't set MAC to malicious VF [%d]\n",
                          vfid);
                return -EINVAL;
        }

        if (vf_info->bulletin.p_virt->valid_bitmap & BIT(MAC_ADDR_FORCED)) {
                DP_VERBOSE(p_hwfn, QED_MSG_IOV,
                           "Can not set MAC, Forced MAC is configured\n");
                return -EINVAL;
        }

        feature = BIT(VFPF_BULLETIN_MAC_ADDR);
        ether_addr_copy(vf_info->bulletin.p_virt->mac, mac);

        vf_info->bulletin.p_virt->valid_bitmap |= feature;

        if (vf_info->p_vf_info.is_trusted_configured)
                qed_iov_configure_vport_forced(p_hwfn, vf_info, feature);

        return 0;
}

static void qed_iov_bulletin_set_forced_vlan(struct qed_hwfn *p_hwfn,
                                             u16 pvid, int vfid)
{
        struct qed_vf_info *vf_info;
        u64 feature;

        vf_info = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true);
        if (!vf_info) {
                DP_NOTICE(p_hwfn->cdev,
                          "Can not set forced MAC, invalid vfid [%d]\n", vfid);
                return;
        }

        if (vf_info->b_malicious) {
                DP_NOTICE(p_hwfn->cdev,
                          "Can't set forced vlan to malicious VF [%d]\n", vfid);
                return;
        }

        feature = 1 << VLAN_ADDR_FORCED;
        vf_info->bulletin.p_virt->pvid = pvid;
        if (pvid)
                vf_info->bulletin.p_virt->valid_bitmap |= feature;
        else
                vf_info->bulletin.p_virt->valid_bitmap &= ~feature;

        qed_iov_configure_vport_forced(p_hwfn, vf_info, feature);
}

void qed_iov_bulletin_set_udp_ports(struct qed_hwfn *p_hwfn,
                                    int vfid, u16 vxlan_port, u16 geneve_port)
{
        struct qed_vf_info *vf_info;

        vf_info = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true);
        if (!vf_info) {
                DP_NOTICE(p_hwfn->cdev,
                          "Can not set udp ports, invalid vfid [%d]\n", vfid);
                return;
        }

        if (vf_info->b_malicious) {
                DP_VERBOSE(p_hwfn, QED_MSG_IOV,
                           "Can not set udp ports to malicious VF [%d]\n",
                           vfid);
                return;
        }

        vf_info->bulletin.p_virt->vxlan_udp_port = vxlan_port;
        vf_info->bulletin.p_virt->geneve_udp_port = geneve_port;
}

static bool qed_iov_vf_has_vport_instance(struct qed_hwfn *p_hwfn, int vfid)
{
        struct qed_vf_info *p_vf_info;

        p_vf_info = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true);
        if (!p_vf_info)
                return false;

        return !!p_vf_info->vport_instance;
}

static bool qed_iov_is_vf_stopped(struct qed_hwfn *p_hwfn, int vfid)
{
        struct qed_vf_info *p_vf_info;

        p_vf_info = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true);
        if (!p_vf_info)
                return true;

        return p_vf_info->state == VF_STOPPED;
}

static bool qed_iov_spoofchk_get(struct qed_hwfn *p_hwfn, int vfid)
{
        struct qed_vf_info *vf_info;

        vf_info = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true);
        if (!vf_info)
                return false;

        return vf_info->spoof_chk;
}

static int qed_iov_spoofchk_set(struct qed_hwfn *p_hwfn, int vfid, bool val)
{
        struct qed_vf_info *vf;
        int rc = -EINVAL;

        if (!qed_iov_pf_sanity_check(p_hwfn, vfid)) {
                DP_NOTICE(p_hwfn,
                          "SR-IOV sanity check failed, can't set spoofchk\n");
                goto out;
        }

        vf = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true);
        if (!vf)
                goto out;

        if (!qed_iov_vf_has_vport_instance(p_hwfn, vfid)) {
                /* After VF VPORT start PF will configure spoof check */
                vf->req_spoofchk_val = val;
                rc = 0;
                goto out;
        }

        rc = __qed_iov_spoofchk_set(p_hwfn, vf, val);

out:
        return rc;
}

static u8 *qed_iov_bulletin_get_mac(struct qed_hwfn *p_hwfn, u16 rel_vf_id)
{
        struct qed_vf_info *p_vf;

        p_vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, true);
        if (!p_vf || !p_vf->bulletin.p_virt)
                return NULL;

        if (!(p_vf->bulletin.p_virt->valid_bitmap &
              BIT(VFPF_BULLETIN_MAC_ADDR)))
                return NULL;

        return p_vf->bulletin.p_virt->mac;
}

static u8 *qed_iov_bulletin_get_forced_mac(struct qed_hwfn *p_hwfn,
                                           u16 rel_vf_id)
{
        struct qed_vf_info *p_vf;

        p_vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, true);
        if (!p_vf || !p_vf->bulletin.p_virt)
                return NULL;

        if (!(p_vf->bulletin.p_virt->valid_bitmap & BIT(MAC_ADDR_FORCED)))
                return NULL;

        return p_vf->bulletin.p_virt->mac;
}

static u16
qed_iov_bulletin_get_forced_vlan(struct qed_hwfn *p_hwfn, u16 rel_vf_id)
{
        struct qed_vf_info *p_vf;

        p_vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, true);
        if (!p_vf || !p_vf->bulletin.p_virt)
                return 0;

        if (!(p_vf->bulletin.p_virt->valid_bitmap & BIT(VLAN_ADDR_FORCED)))
                return 0;

        return p_vf->bulletin.p_virt->pvid;
}

static int qed_iov_configure_tx_rate(struct qed_hwfn *p_hwfn,
                                     struct qed_ptt *p_ptt, int vfid, int val)
{
        struct qed_vf_info *vf;
        u8 abs_vp_id = 0;
        u16 rl_id;
        int rc;

        vf = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true);
        if (!vf)
                return -EINVAL;

        rc = qed_fw_vport(p_hwfn, vf->vport_id, &abs_vp_id);
        if (rc)
                return rc;

        rl_id = abs_vp_id;      /* The "rl_id" is set as the "vport_id" */
        return qed_init_global_rl(p_hwfn, p_ptt, rl_id, (u32)val,
                                  QM_RL_TYPE_NORMAL);
}

static int
qed_iov_configure_min_tx_rate(struct qed_dev *cdev, int vfid, u32 rate)
{
        struct qed_vf_info *vf;
        u8 vport_id;
        int i;

        for_each_hwfn(cdev, i) {
                struct qed_hwfn *p_hwfn = &cdev->hwfns[i];

                if (!qed_iov_pf_sanity_check(p_hwfn, vfid)) {
                        DP_NOTICE(p_hwfn,
                                  "SR-IOV sanity check failed, can't set min rate\n");
                        return -EINVAL;
                }
        }

        vf = qed_iov_get_vf_info(QED_LEADING_HWFN(cdev), (u16)vfid, true);
        if (!vf)
                return -EINVAL;

        vport_id = vf->vport_id;

        return qed_configure_vport_wfq(cdev, vport_id, rate);
}

static int qed_iov_get_vf_min_rate(struct qed_hwfn *p_hwfn, int vfid)
{
        struct qed_wfq_data *vf_vp_wfq;
        struct qed_vf_info *vf_info;

        vf_info = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true);
        if (!vf_info)
                return 0;

        vf_vp_wfq = &p_hwfn->qm_info.wfq_data[vf_info->vport_id];

        if (vf_vp_wfq->configured)
                return vf_vp_wfq->min_speed;
        else
                return 0;
}

/**
 * qed_schedule_iov - schedules IOV task for VF and PF
 * @hwfn: hardware function pointer
 * @flag: IOV flag for VF/PF
 */
void qed_schedule_iov(struct qed_hwfn *hwfn, enum qed_iov_wq_flag flag)
{
        /* Memory barrier for setting atomic bit */
        smp_mb__before_atomic();
        set_bit(flag, &hwfn->iov_task_flags);
        /* Memory barrier after setting atomic bit */
        smp_mb__after_atomic();
        DP_VERBOSE(hwfn, QED_MSG_IOV, "Scheduling iov task [Flag: %d]\n", flag);
        queue_delayed_work(hwfn->iov_wq, &hwfn->iov_task, 0);
}

void qed_vf_start_iov_wq(struct qed_dev *cdev)
{
        int i;

        for_each_hwfn(cdev, i)
                queue_delayed_work(cdev->hwfns[i].iov_wq,
                                   &cdev->hwfns[i].iov_task, 0);
}

int qed_sriov_disable(struct qed_dev *cdev, bool pci_enabled)
{
        int i, j;

        for_each_hwfn(cdev, i)
                if (cdev->hwfns[i].iov_wq)
                        flush_workqueue(cdev->hwfns[i].iov_wq);

        /* Mark VFs for disablement */
        qed_iov_set_vfs_to_disable(cdev, true);

        if (cdev->p_iov_info && cdev->p_iov_info->num_vfs && pci_enabled)
                pci_disable_sriov(cdev->pdev);

        if (cdev->recov_in_prog) {
                DP_VERBOSE(cdev,
                           QED_MSG_IOV,
                           "Skip SRIOV disable operations in the device since a recovery is in progress\n");
                goto out;
        }

        for_each_hwfn(cdev, i) {
                struct qed_hwfn *hwfn = &cdev->hwfns[i];
                struct qed_ptt *ptt = qed_ptt_acquire(hwfn);

                /* Failure to acquire the ptt in 100g creates an odd error
                 * where the first engine has already released IOV.
                 */
                if (!ptt) {
                        DP_ERR(hwfn, "Failed to acquire ptt\n");
                        return -EBUSY;
                }

                /* Clean WFQ db and configure equal weight for all vports */
                qed_clean_wfq_db(hwfn, ptt);

                qed_for_each_vf(hwfn, j) {
                        int k;

                        if (!qed_iov_is_valid_vfid(hwfn, j, true, false))
                                continue;

                        /* Wait until VF is disabled before releasing */
                        for (k = 0; k < 100; k++) {
                                if (!qed_iov_is_vf_stopped(hwfn, j))
                                        msleep(20);
                                else
                                        break;
                        }

                        if (k < 100)
                                qed_iov_release_hw_for_vf(&cdev->hwfns[i],
                                                          ptt, j);
                        else
                                DP_ERR(hwfn,
                                       "Timeout waiting for VF's FLR to end\n");
                }

                qed_ptt_release(hwfn, ptt);
        }
out:
        qed_iov_set_vfs_to_disable(cdev, false);

        return 0;
}

static void qed_sriov_enable_qid_config(struct qed_hwfn *hwfn,
                                        u16 vfid,
                                        struct qed_iov_vf_init_params *params)
{
        u16 base, i;

        /* Since we have an equal resource distribution per-VF, and we assume
         * PF has acquired the QED_PF_L2_QUE first queues, we start setting
         * sequentially from there.
         */
        base = FEAT_NUM(hwfn, QED_PF_L2_QUE) + vfid * params->num_queues;

        params->rel_vf_id = vfid;
        for (i = 0; i < params->num_queues; i++) {
                params->req_rx_queue[i] = base + i;
                params->req_tx_queue[i] = base + i;
        }
}

static int qed_sriov_enable(struct qed_dev *cdev, int num)
{
        struct qed_iov_vf_init_params params;
        struct qed_hwfn *hwfn;
        struct qed_ptt *ptt;
        int i, j, rc;

        if (num >= RESC_NUM(&cdev->hwfns[0], QED_VPORT)) {
                DP_NOTICE(cdev, "Can start at most %d VFs\n",
                          RESC_NUM(&cdev->hwfns[0], QED_VPORT) - 1);
                return -EINVAL;
        }

        memset(&params, 0, sizeof(params));

        /* Initialize HW for VF access */
        for_each_hwfn(cdev, j) {
                hwfn = &cdev->hwfns[j];
                ptt = qed_ptt_acquire(hwfn);

                /* Make sure not to use more than 16 queues per VF */
                params.num_queues = min_t(int,
                                          FEAT_NUM(hwfn, QED_VF_L2_QUE) / num,
                                          16);

                if (!ptt) {
                        DP_ERR(hwfn, "Failed to acquire ptt\n");
                        rc = -EBUSY;
                        goto err;
                }

                for (i = 0; i < num; i++) {
                        if (!qed_iov_is_valid_vfid(hwfn, i, false, true))
                                continue;

                        qed_sriov_enable_qid_config(hwfn, i, &params);
                        rc = qed_iov_init_hw_for_vf(hwfn, ptt, &params);
                        if (rc) {
                                DP_ERR(cdev, "Failed to enable VF[%d]\n", i);
                                qed_ptt_release(hwfn, ptt);
                                goto err;
                        }
                }

                qed_ptt_release(hwfn, ptt);
        }

        /* Enable SRIOV PCIe functions */
        rc = pci_enable_sriov(cdev->pdev, num);
        if (rc) {
                DP_ERR(cdev, "Failed to enable sriov [%d]\n", rc);
                goto err;
        }

        hwfn = QED_LEADING_HWFN(cdev);
        ptt = qed_ptt_acquire(hwfn);
        if (!ptt) {
                DP_ERR(hwfn, "Failed to acquire ptt\n");
                rc = -EBUSY;
                goto err;
        }

        rc = qed_mcp_ov_update_eswitch(hwfn, ptt, QED_OV_ESWITCH_VEB);
        if (rc)
                DP_INFO(cdev, "Failed to update eswitch mode\n");
        qed_ptt_release(hwfn, ptt);

        return num;

err:
        qed_sriov_disable(cdev, false);
        return rc;
}

static int qed_sriov_configure(struct qed_dev *cdev, int num_vfs_param)
{
        if (!IS_QED_SRIOV(cdev)) {
                DP_VERBOSE(cdev, QED_MSG_IOV, "SR-IOV is not supported\n");
                return -EOPNOTSUPP;
        }

        if (num_vfs_param)
                return qed_sriov_enable(cdev, num_vfs_param);
        else
                return qed_sriov_disable(cdev, true);
}

static int qed_sriov_pf_set_mac(struct qed_dev *cdev, u8 *mac, int vfid)
{
        int i;

        if (!IS_QED_SRIOV(cdev) || !IS_PF_SRIOV_ALLOC(&cdev->hwfns[0])) {
                DP_VERBOSE(cdev, QED_MSG_IOV,
                           "Cannot set a VF MAC; Sriov is not enabled\n");
                return -EINVAL;
        }

        if (!qed_iov_is_valid_vfid(&cdev->hwfns[0], vfid, true, true)) {
                DP_VERBOSE(cdev, QED_MSG_IOV,
                           "Cannot set VF[%d] MAC (VF is not active)\n", vfid);
                return -EINVAL;
        }

        for_each_hwfn(cdev, i) {
                struct qed_hwfn *hwfn = &cdev->hwfns[i];
                struct qed_public_vf_info *vf_info;

                vf_info = qed_iov_get_public_vf_info(hwfn, vfid, true);
                if (!vf_info)
                        continue;

                /* Set the MAC, and schedule the IOV task */
                if (vf_info->is_trusted_configured)
                        ether_addr_copy(vf_info->mac, mac);
                else
                        ether_addr_copy(vf_info->forced_mac, mac);

                qed_schedule_iov(hwfn, QED_IOV_WQ_SET_UNICAST_FILTER_FLAG);
        }

        return 0;
}

static int qed_sriov_pf_set_vlan(struct qed_dev *cdev, u16 vid, int vfid)
{
        int i;

        if (!IS_QED_SRIOV(cdev) || !IS_PF_SRIOV_ALLOC(&cdev->hwfns[0])) {
                DP_VERBOSE(cdev, QED_MSG_IOV,
                           "Cannot set a VF MAC; Sriov is not enabled\n");
                return -EINVAL;
        }

        if (!qed_iov_is_valid_vfid(&cdev->hwfns[0], vfid, true, true)) {
                DP_VERBOSE(cdev, QED_MSG_IOV,
                           "Cannot set VF[%d] MAC (VF is not active)\n", vfid);
                return -EINVAL;
        }

        for_each_hwfn(cdev, i) {
                struct qed_hwfn *hwfn = &cdev->hwfns[i];
                struct qed_public_vf_info *vf_info;

                vf_info = qed_iov_get_public_vf_info(hwfn, vfid, true);
                if (!vf_info)
                        continue;

                /* Set the forced vlan, and schedule the IOV task */
                vf_info->forced_vlan = vid;
                qed_schedule_iov(hwfn, QED_IOV_WQ_SET_UNICAST_FILTER_FLAG);
        }

        return 0;
}

static int qed_get_vf_config(struct qed_dev *cdev,
                             int vf_id, struct ifla_vf_info *ivi)
{
        struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
        struct qed_public_vf_info *vf_info;
        struct qed_mcp_link_state link;
        u32 tx_rate;
        int ret;

        /* Sanitize request */
        if (IS_VF(cdev))
                return -EINVAL;

        if (!qed_iov_is_valid_vfid(&cdev->hwfns[0], vf_id, true, false)) {
                DP_VERBOSE(cdev, QED_MSG_IOV,
                           "VF index [%d] isn't active\n", vf_id);
                return -EINVAL;
        }

        vf_info = qed_iov_get_public_vf_info(hwfn, vf_id, true);

        ret = qed_iov_get_link(hwfn, vf_id, NULL, &link, NULL);
        if (ret)
                return ret;

        /* Fill information about VF */
        ivi->vf = vf_id;

        if (is_valid_ether_addr(vf_info->forced_mac))
                ether_addr_copy(ivi->mac, vf_info->forced_mac);
        else
                ether_addr_copy(ivi->mac, vf_info->mac);

        ivi->vlan = vf_info->forced_vlan;
        ivi->spoofchk = qed_iov_spoofchk_get(hwfn, vf_id);
        ivi->linkstate = vf_info->link_state;
        tx_rate = vf_info->tx_rate;
        ivi->max_tx_rate = tx_rate ? tx_rate : link.speed;
        ivi->min_tx_rate = qed_iov_get_vf_min_rate(hwfn, vf_id);
        ivi->trusted = vf_info->is_trusted_request;

        return 0;
}

void qed_inform_vf_link_state(struct qed_hwfn *hwfn)
{
        struct qed_hwfn *lead_hwfn = QED_LEADING_HWFN(hwfn->cdev);
        struct qed_mcp_link_capabilities caps;
        struct qed_mcp_link_params params;
        struct qed_mcp_link_state link;
        int i;

        if (!hwfn->pf_iov_info)
                return;

        /* Update bulletin of all future possible VFs with link configuration */
        for (i = 0; i < hwfn->cdev->p_iov_info->total_vfs; i++) {
                struct qed_public_vf_info *vf_info;

                vf_info = qed_iov_get_public_vf_info(hwfn, i, false);
                if (!vf_info)
                        continue;

                /* Only hwfn0 is actually interested in the link speed.
                 * But since only it would receive an MFW indication of link,
                 * need to take configuration from it - otherwise things like
                 * rate limiting for hwfn1 VF would not work.
                 */
                memcpy(&params, qed_mcp_get_link_params(lead_hwfn),
                       sizeof(params));
                memcpy(&link, qed_mcp_get_link_state(lead_hwfn), sizeof(link));
                memcpy(&caps, qed_mcp_get_link_capabilities(lead_hwfn),
                       sizeof(caps));

                /* Modify link according to the VF's configured link state */
                switch (vf_info->link_state) {
                case IFLA_VF_LINK_STATE_DISABLE:
                        link.link_up = false;
                        break;
                case IFLA_VF_LINK_STATE_ENABLE:
                        link.link_up = true;
                        /* Set speed according to maximum supported by HW.
                         * that is 40G for regular devices and 100G for CMT
                         * mode devices.
                         */
                        link.speed = (hwfn->cdev->num_hwfns > 1) ?
                                     100000 : 40000;
                        break;
                default:
                        /* In auto mode pass PF link image to VF */
                        break;
                }

                if (link.link_up && vf_info->tx_rate) {
                        struct qed_ptt *ptt;
                        int rate;

                        rate = min_t(int, vf_info->tx_rate, link.speed);

                        ptt = qed_ptt_acquire(hwfn);
                        if (!ptt) {
                                DP_NOTICE(hwfn, "Failed to acquire PTT\n");
                                return;
                        }

                        if (!qed_iov_configure_tx_rate(hwfn, ptt, i, rate)) {
                                vf_info->tx_rate = rate;
                                link.speed = rate;
                        }

                        qed_ptt_release(hwfn, ptt);
                }

                qed_iov_set_link(hwfn, i, &params, &link, &caps);
        }

        qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
}

static int qed_set_vf_link_state(struct qed_dev *cdev,
                                 int vf_id, int link_state)
{
        int i;

        /* Sanitize request */
        if (IS_VF(cdev))
                return -EINVAL;

        if (!qed_iov_is_valid_vfid(&cdev->hwfns[0], vf_id, true, true)) {
                DP_VERBOSE(cdev, QED_MSG_IOV,
                           "VF index [%d] isn't active\n", vf_id);
                return -EINVAL;
        }

        /* Handle configuration of link state */
        for_each_hwfn(cdev, i) {
                struct qed_hwfn *hwfn = &cdev->hwfns[i];
                struct qed_public_vf_info *vf;

                vf = qed_iov_get_public_vf_info(hwfn, vf_id, true);
                if (!vf)
                        continue;

                if (vf->link_state == link_state)
                        continue;

                vf->link_state = link_state;
                qed_inform_vf_link_state(&cdev->hwfns[i]);
        }

        return 0;
}

static int qed_spoof_configure(struct qed_dev *cdev, int vfid, bool val)
{
        int i, rc = -EINVAL;

        for_each_hwfn(cdev, i) {
                struct qed_hwfn *p_hwfn = &cdev->hwfns[i];

                rc = qed_iov_spoofchk_set(p_hwfn, vfid, val);
                if (rc)
                        break;
        }

        return rc;
}

static int qed_configure_max_vf_rate(struct qed_dev *cdev, int vfid, int rate)
{
        int i;

        for_each_hwfn(cdev, i) {
                struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
                struct qed_public_vf_info *vf;

                if (!qed_iov_pf_sanity_check(p_hwfn, vfid)) {
                        DP_NOTICE(p_hwfn,
                                  "SR-IOV sanity check failed, can't set tx rate\n");
                        return -EINVAL;
                }

                vf = qed_iov_get_public_vf_info(p_hwfn, vfid, true);

                vf->tx_rate = rate;

                qed_inform_vf_link_state(p_hwfn);
        }

        return 0;
}

static int qed_set_vf_rate(struct qed_dev *cdev,
                           int vfid, u32 min_rate, u32 max_rate)
{
        int rc_min = 0, rc_max = 0;

        if (max_rate)
                rc_max = qed_configure_max_vf_rate(cdev, vfid, max_rate);

        if (min_rate)
                rc_min = qed_iov_configure_min_tx_rate(cdev, vfid, min_rate);

        if (rc_max | rc_min)
                return -EINVAL;

        return 0;
}

static int qed_set_vf_trust(struct qed_dev *cdev, int vfid, bool trust)
{
        int i;

        for_each_hwfn(cdev, i) {
                struct qed_hwfn *hwfn = &cdev->hwfns[i];
                struct qed_public_vf_info *vf;

                if (!qed_iov_pf_sanity_check(hwfn, vfid)) {
                        DP_NOTICE(hwfn,
                                  "SR-IOV sanity check failed, can't set trust\n");
                        return -EINVAL;
                }

                vf = qed_iov_get_public_vf_info(hwfn, vfid, true);

                if (vf->is_trusted_request == trust)
                        return 0;
                vf->is_trusted_request = trust;

                qed_schedule_iov(hwfn, QED_IOV_WQ_TRUST_FLAG);
        }

        return 0;
}

static void qed_handle_vf_msg(struct qed_hwfn *hwfn)
{
        u64 events[QED_VF_ARRAY_LENGTH];
        struct qed_ptt *ptt;
        int i;

        ptt = qed_ptt_acquire(hwfn);
        if (!ptt) {
                DP_VERBOSE(hwfn, QED_MSG_IOV,
                           "Can't acquire PTT; re-scheduling\n");
                qed_schedule_iov(hwfn, QED_IOV_WQ_MSG_FLAG);
                return;
        }

        qed_iov_pf_get_pending_events(hwfn, events);

        DP_VERBOSE(hwfn, QED_MSG_IOV,
                   "Event mask of VF events: 0x%llx 0x%llx 0x%llx\n",
                   events[0], events[1], events[2]);

        qed_for_each_vf(hwfn, i) {
                /* Skip VFs with no pending messages */
                if (!(events[i / 64] & (1ULL << (i % 64))))
                        continue;

                DP_VERBOSE(hwfn, QED_MSG_IOV,
                           "Handling VF message from VF 0x%02x [Abs 0x%02x]\n",
                           i, hwfn->cdev->p_iov_info->first_vf_in_pf + i);

                /* Copy VF's message to PF's request buffer for that VF */
                if (qed_iov_copy_vf_msg(hwfn, ptt, i))
                        continue;

                qed_iov_process_mbx_req(hwfn, ptt, i);
        }

        qed_ptt_release(hwfn, ptt);
}

static bool qed_pf_validate_req_vf_mac(struct qed_hwfn *hwfn,
                                       u8 *mac,
                                       struct qed_public_vf_info *info)
{
        if (info->is_trusted_configured) {
                if (is_valid_ether_addr(info->mac) &&
                    (!mac || !ether_addr_equal(mac, info->mac)))
                        return true;
        } else {
                if (is_valid_ether_addr(info->forced_mac) &&
                    (!mac || !ether_addr_equal(mac, info->forced_mac)))
                        return true;
        }

        return false;
}

static void qed_set_bulletin_mac(struct qed_hwfn *hwfn,
                                 struct qed_public_vf_info *info,
                                 int vfid)
{
        if (info->is_trusted_configured)
                qed_iov_bulletin_set_mac(hwfn, info->mac, vfid);
        else
                qed_iov_bulletin_set_forced_mac(hwfn, info->forced_mac, vfid);
}

static void qed_handle_pf_set_vf_unicast(struct qed_hwfn *hwfn)
{
        int i;

        qed_for_each_vf(hwfn, i) {
                struct qed_public_vf_info *info;
                bool update = false;
                u8 *mac;

                info = qed_iov_get_public_vf_info(hwfn, i, true);
                if (!info)
                        continue;

                /* Update data on bulletin board */
                if (info->is_trusted_configured)
                        mac = qed_iov_bulletin_get_mac(hwfn, i);
                else
                        mac = qed_iov_bulletin_get_forced_mac(hwfn, i);

                if (qed_pf_validate_req_vf_mac(hwfn, mac, info)) {
                        DP_VERBOSE(hwfn,
                                   QED_MSG_IOV,
                                   "Handling PF setting of VF MAC to VF 0x%02x [Abs 0x%02x]\n",
                                   i,
                                   hwfn->cdev->p_iov_info->first_vf_in_pf + i);

                        /* Update bulletin board with MAC */
                        qed_set_bulletin_mac(hwfn, info, i);
                        update = true;
                }

                if (qed_iov_bulletin_get_forced_vlan(hwfn, i) ^
                    info->forced_vlan) {
                        DP_VERBOSE(hwfn,
                                   QED_MSG_IOV,
                                   "Handling PF setting of pvid [0x%04x] to VF 0x%02x [Abs 0x%02x]\n",
                                   info->forced_vlan,
                                   i,
                                   hwfn->cdev->p_iov_info->first_vf_in_pf + i);
                        qed_iov_bulletin_set_forced_vlan(hwfn,
                                                         info->forced_vlan, i);
                        update = true;
                }

                if (update)
                        qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
        }
}

static void qed_handle_bulletin_post(struct qed_hwfn *hwfn)
{
        struct qed_ptt *ptt;
        int i;

        ptt = qed_ptt_acquire(hwfn);
        if (!ptt) {
                DP_NOTICE(hwfn, "Failed allocating a ptt entry\n");
                qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
                return;
        }

        qed_for_each_vf(hwfn, i)
                qed_iov_post_vf_bulletin(hwfn, i, ptt);

        qed_ptt_release(hwfn, ptt);
}

static void qed_update_mac_for_vf_trust_change(struct qed_hwfn *hwfn, int vf_id)
{
        struct qed_public_vf_info *vf_info;
        struct qed_vf_info *vf;
        u8 *force_mac;
        int i;

        vf_info = qed_iov_get_public_vf_info(hwfn, vf_id, true);
        vf = qed_iov_get_vf_info(hwfn, vf_id, true);

        if (!vf_info || !vf)
                return;

        /* Force MAC converted to generic MAC in case of VF trust on */
        if (vf_info->is_trusted_configured &&
            (vf->bulletin.p_virt->valid_bitmap & BIT(MAC_ADDR_FORCED))) {
                force_mac = qed_iov_bulletin_get_forced_mac(hwfn, vf_id);

                if (force_mac) {
                        /* Clear existing shadow copy of MAC to have a clean
                         * slate.
                         */
                        for (i = 0; i < QED_ETH_VF_NUM_MAC_FILTERS; i++) {
                                if (ether_addr_equal(vf->shadow_config.macs[i],
                                                     vf_info->mac)) {
                                        eth_zero_addr(vf->shadow_config.macs[i]);
                                        DP_VERBOSE(hwfn, QED_MSG_IOV,
                                                   "Shadow MAC %pM removed for VF 0x%02x, VF trust mode is ON\n",
                                                    vf_info->mac, vf_id);
                                        break;
                                }
                        }

                        ether_addr_copy(vf_info->mac, force_mac);
                        eth_zero_addr(vf_info->forced_mac);
                        vf->bulletin.p_virt->valid_bitmap &=
                                        ~BIT(MAC_ADDR_FORCED);
                        qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
                }
        }

        /* Update shadow copy with VF MAC when trust mode is turned off */
        if (!vf_info->is_trusted_configured) {
                u8 empty_mac[ETH_ALEN];

                eth_zero_addr(empty_mac);
                for (i = 0; i < QED_ETH_VF_NUM_MAC_FILTERS; i++) {
                        if (ether_addr_equal(vf->shadow_config.macs[i],
                                             empty_mac)) {
                                ether_addr_copy(vf->shadow_config.macs[i],
                                                vf_info->mac);
                                DP_VERBOSE(hwfn, QED_MSG_IOV,
                                           "Shadow is updated with %pM for VF 0x%02x, VF trust mode is OFF\n",
                                            vf_info->mac, vf_id);
                                break;
                        }
                }
                /* Clear bulletin when trust mode is turned off,
                 * to have a clean slate for next (normal) operations.
                 */
                qed_iov_bulletin_set_mac(hwfn, empty_mac, vf_id);
                qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
        }
}

static void qed_iov_handle_trust_change(struct qed_hwfn *hwfn)
{
        struct qed_sp_vport_update_params params;
        struct qed_filter_accept_flags *flags;
        struct qed_public_vf_info *vf_info;
        struct qed_vf_info *vf;
        u8 mask;
        int i;

        mask = QED_ACCEPT_UCAST_UNMATCHED | QED_ACCEPT_MCAST_UNMATCHED;
        flags = &params.accept_flags;

        qed_for_each_vf(hwfn, i) {
                /* Need to make sure current requested configuration didn't
                 * flip so that we'll end up configuring something that's not
                 * needed.
                 */
                vf_info = qed_iov_get_public_vf_info(hwfn, i, true);
                if (vf_info->is_trusted_configured ==
                    vf_info->is_trusted_request)
                        continue;
                vf_info->is_trusted_configured = vf_info->is_trusted_request;

                /* Handle forced MAC mode */
                qed_update_mac_for_vf_trust_change(hwfn, i);

                /* Validate that the VF has a configured vport */
                vf = qed_iov_get_vf_info(hwfn, i, true);
                if (!vf || !vf->vport_instance)
                        continue;

                memset(&params, 0, sizeof(params));
                params.opaque_fid = vf->opaque_fid;
                params.vport_id = vf->vport_id;

                params.update_ctl_frame_check = 1;
                params.mac_chk_en = !vf_info->is_trusted_configured;
                params.update_accept_any_vlan_flg = 0;

                if (vf_info->accept_any_vlan && vf_info->forced_vlan) {
                        params.update_accept_any_vlan_flg = 1;
                        params.accept_any_vlan = vf_info->accept_any_vlan;
                }

                if (vf_info->rx_accept_mode & mask) {
                        flags->update_rx_mode_config = 1;
                        flags->rx_accept_filter = vf_info->rx_accept_mode;
                }

                if (vf_info->tx_accept_mode & mask) {
                        flags->update_tx_mode_config = 1;
                        flags->tx_accept_filter = vf_info->tx_accept_mode;
                }

                /* Remove if needed; Otherwise this would set the mask */
                if (!vf_info->is_trusted_configured) {
                        flags->rx_accept_filter &= ~mask;
                        flags->tx_accept_filter &= ~mask;
                        params.accept_any_vlan = false;
                }

                if (flags->update_rx_mode_config ||
                    flags->update_tx_mode_config ||
                    params.update_ctl_frame_check ||
                    params.update_accept_any_vlan_flg) {
                        DP_VERBOSE(hwfn, QED_MSG_IOV,
                                   "vport update config for %s VF[abs 0x%x rel 0x%x]\n",
                                   vf_info->is_trusted_configured ? "trusted" : "untrusted",
                                   vf->abs_vf_id, vf->relative_vf_id);
                        qed_sp_vport_update(hwfn, &params,
                                            QED_SPQ_MODE_EBLOCK, NULL);
                }
        }
}

static void qed_iov_pf_task(struct work_struct *work)

{
        struct qed_hwfn *hwfn = container_of(work, struct qed_hwfn,
                                             iov_task.work);
        int rc;

        if (test_and_clear_bit(QED_IOV_WQ_STOP_WQ_FLAG, &hwfn->iov_task_flags))
                return;

        if (test_and_clear_bit(QED_IOV_WQ_FLR_FLAG, &hwfn->iov_task_flags)) {
                struct qed_ptt *ptt = qed_ptt_acquire(hwfn);

                if (!ptt) {
                        qed_schedule_iov(hwfn, QED_IOV_WQ_FLR_FLAG);
                        return;
                }

                rc = qed_iov_vf_flr_cleanup(hwfn, ptt);
                if (rc)
                        qed_schedule_iov(hwfn, QED_IOV_WQ_FLR_FLAG);

                qed_ptt_release(hwfn, ptt);
        }

        if (test_and_clear_bit(QED_IOV_WQ_MSG_FLAG, &hwfn->iov_task_flags))
                qed_handle_vf_msg(hwfn);

        if (test_and_clear_bit(QED_IOV_WQ_SET_UNICAST_FILTER_FLAG,
                               &hwfn->iov_task_flags))
                qed_handle_pf_set_vf_unicast(hwfn);

        if (test_and_clear_bit(QED_IOV_WQ_BULLETIN_UPDATE_FLAG,
                               &hwfn->iov_task_flags))
                qed_handle_bulletin_post(hwfn);

        if (test_and_clear_bit(QED_IOV_WQ_TRUST_FLAG, &hwfn->iov_task_flags))
                qed_iov_handle_trust_change(hwfn);
}

void qed_iov_wq_stop(struct qed_dev *cdev, bool schedule_first)
{
        int i;

        for_each_hwfn(cdev, i) {
                if (!cdev->hwfns[i].iov_wq)
                        continue;

                if (schedule_first) {
                        qed_schedule_iov(&cdev->hwfns[i],
                                         QED_IOV_WQ_STOP_WQ_FLAG);
                        cancel_delayed_work_sync(&cdev->hwfns[i].iov_task);
                }

                destroy_workqueue(cdev->hwfns[i].iov_wq);
        }
}

int qed_iov_wq_start(struct qed_dev *cdev)
{
        char name[NAME_SIZE];
        int i;

        for_each_hwfn(cdev, i) {
                struct qed_hwfn *p_hwfn = &cdev->hwfns[i];

                /* PFs needs a dedicated workqueue only if they support IOV.
                 * VFs always require one.
                 */
                if (IS_PF(p_hwfn->cdev) && !IS_PF_SRIOV(p_hwfn))
                        continue;

                snprintf(name, NAME_SIZE, "iov-%02x:%02x.%02x",
                         cdev->pdev->bus->number,
                         PCI_SLOT(cdev->pdev->devfn), p_hwfn->abs_pf_id);

                p_hwfn->iov_wq = create_singlethread_workqueue(name);
                if (!p_hwfn->iov_wq) {
                        DP_NOTICE(p_hwfn, "Cannot create iov workqueue\n");
                        return -ENOMEM;
                }

                if (IS_PF(cdev))
                        INIT_DELAYED_WORK(&p_hwfn->iov_task, qed_iov_pf_task);
                else
                        INIT_DELAYED_WORK(&p_hwfn->iov_task, qed_iov_vf_task);
        }

        return 0;
}

const struct qed_iov_hv_ops qed_iov_ops_pass = {
        .configure = &qed_sriov_configure,
        .set_mac = &qed_sriov_pf_set_mac,
        .set_vlan = &qed_sriov_pf_set_vlan,
        .get_config = &qed_get_vf_config,
        .set_link_state = &qed_set_vf_link_state,
        .set_spoof = &qed_spoof_configure,
        .set_rate = &qed_set_vf_rate,
        .set_trust = &qed_set_vf_trust,
};