/* QLogic qed NIC Driver
 * Copyright (c) 2015 QLogic Corporation
 *
 * This software is available under the terms of the GNU General Public License
 * (GPL) Version 2, available from the file COPYING in the main directory of
 * this source tree.
 */

#include <linux/etherdevice.h>
#include <linux/crc32.h>
#include <linux/qed/qed_iov_if.h>
#include "qed_cxt.h"
#include "qed_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"

/* 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:
                p_ramrod->personality = PERSONALITY_RDMA_AND_ETH;
                break;
        default:
                DP_NOTICE(p_hwfn, "Unknown VF personality %d\n",
                          p_hwfn->hw_info.personality);
                return -EINVAL;
        }

        fp_minor = p_vf->acquire.vfdev_info.eth_fp_hsi_minor;
        if (fp_minor > ETH_HSI_VER_MINOR) {
                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)
{
        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;

        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))
                vf = &p_hwfn->pf_iov_info->vfs_array[relative_vf_id];
        else
                DP_ERR(p_hwfn, "qed_iov_get_vf_info: VF[%d] is not enabled\n",
                       relative_vf_id);

        return vf;
}

static bool qed_iov_validate_rxq(struct qed_hwfn *p_hwfn,
                                 struct qed_vf_info *p_vf, u16 rx_qid)
{
        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 rx_qid < p_vf->num_rxqs;
}

static bool qed_iov_validate_txq(struct qed_hwfn *p_hwfn,
                                 struct qed_vf_info *p_vf, u16 tx_qid)
{
        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 tx_qid < p_vf->num_txqs;
}

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;
}

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));
        params.flags = QED_DMAE_FLAG_VF_DST;
        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_clear_vf_igu_blocks(struct qed_hwfn *p_hwfn,
                                        struct qed_ptt *p_ptt)
{
        struct qed_igu_block *p_sb;
        u16 sb_id;
        u32 val;

        if (!p_hwfn->hw_info.p_igu_info) {
                DP_ERR(p_hwfn,
                       "qed_iov_clear_vf_igu_blocks IGU Info not initialized\n");
                return;
        }

        for (sb_id = 0; sb_id < QED_MAPPING_MEMORY_SIZE(p_hwfn->cdev);
             sb_id++) {
                p_sb = &p_hwfn->hw_info.p_igu_info->igu_map.igu_blocks[sb_id];
                if ((p_sb->status & QED_IGU_STATUS_FREE) &&
                    !(p_sb->status & QED_IGU_STATUS_PF)) {
                        val = qed_rd(p_hwfn, p_ptt,
                                     IGU_REG_MAPPING_MEMORY + sb_id * 4);
                        SET_FIELD(val, IGU_MAPPING_LINE_VALID, 0);
                        qed_wr(p_hwfn, p_ptt,
                               IGU_REG_MAPPING_MEMORY + 4 * sb_id, val);
                }
        }
}

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,
                       "qed_iov_setup_vfdb called without allocating mem first\n");
                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,
                   "qed_iov_allocate_vfdb for %d VFs\n", 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(sizeof(*p_sriov), GFP_KERNEL);
        if (!p_sriov) {
                DP_NOTICE(p_hwfn, "Failed to allocate `struct qed_sriov'\n");
                return -ENOMEM;
        }

        p_hwfn->pf_iov_info = p_sriov;

        return qed_iov_allocate_vfdb(p_hwfn);
}

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

        qed_iov_setup_vfdb(p_hwfn);
        qed_iov_clear_vf_igu_blocks(p_hwfn, p_ptt);
}

void qed_iov_free(struct qed_hwfn *p_hwfn)
{
        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_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(sizeof(*cdev->p_iov_info), GFP_KERNEL);
        if (!cdev->p_iov_info) {
                DP_NOTICE(p_hwfn, "Can't support IOV due to lack of memory\n");
                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 existance 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;
        }

        /* Calculate the first VF index - this is a bit tricky; Basically,
         * VFs start at offset 16 relative to PF0, and 2nd engine VFs begin
         * after the first engine's VFs.
         */
        cdev->p_iov_info->first_vf_in_pf = p_hwfn->cdev->p_iov_info->offset +
                                           p_hwfn->abs_pf_id - 16;
        if (QED_PATH_ID(p_hwfn))
                cdev->p_iov_info->first_vf_in_pf -= MAX_NUM_VFS_BB;

        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)
{
        /* 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))
                return false;

        return 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;
        }
}

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(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;

        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_mcp_config_vf_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;
}

/**
 * @brief qed_iov_config_perm_table - configure the permission
 *      zone table.
 *      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]}
 * @param p_hwfn
 * @param p_ptt
 * @param vf
 * @param enable
 */
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 | (1 << 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 *igu_blocks;
        int qid = 0, igu_id = 0;
        u32 val = 0;

        igu_blocks = p_hwfn->hw_info.p_igu_info->igu_map.igu_blocks;

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

        while ((qid < num_rx_queues) &&
               (igu_id < QED_MAPPING_MEMORY_SIZE(p_hwfn->cdev))) {
                if (igu_blocks[igu_id].status & QED_IGU_STATUS_FREE) {
                        struct cau_sb_entry sb_entry;

                        vf->igu_sbs[qid] = (u16)igu_id;
                        igu_blocks[igu_id].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) * igu_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 +
                                          igu_id * sizeof(u64), 2, 0);
                        qid++;
                }
                igu_id++;
        }

        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->igu_map.igu_blocks[igu_id].status |=
                    QED_IGU_STATUS_FREE;

                p_hwfn->hw_info.p_igu_info->free_blks++;
        }

        vf->num_sbs = 0;
}

static int qed_iov_init_hw_for_vf(struct qed_hwfn *p_hwfn,
                                  struct qed_ptt *p_ptt,
                                  u16 rel_vf_id, u16 num_rx_queues)
{
        u8 num_of_vf_avaiable_chains = 0;
        struct qed_vf_info *vf = NULL;
        int rc = 0;
        u32 cids;
        u8 i;

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

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

        /* 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, num_rx_queues, (u16) cids);
        num_rx_queues = min_t(u16, num_rx_queues, ((u16) cids));

        num_of_vf_avaiable_chains = qed_iov_alloc_vf_igu_sbs(p_hwfn,
                                                             p_ptt,
                                                             vf,
                                                             num_rx_queues);
        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++) {
                u16 queue_id = qed_int_queue_id_from_sb_id(p_hwfn,
                                                           vf->igu_sbs[i]);

                if (queue_id > RESC_NUM(p_hwfn, QED_L2_QUEUE)) {
                        DP_NOTICE(p_hwfn,
                                  "VF[%d] will require utilizing of out-of-bounds queues - %04x\n",
                                  vf->relative_vf_id, queue_id);
                        return -EINVAL;
                }

                /* CIDs are per-VF, so no problem having them 0-based. */
                vf->vf_queues[i].fw_rx_qid = queue_id;
                vf->vf_queues[i].fw_tx_qid = queue_id;
                vf->vf_queues[i].fw_cid = i;

                DP_VERBOSE(p_hwfn, QED_MSG_IOV,
                           "VF[%d] - [%d] SB %04x, Tx/Rx queue %04x CID %04x\n",
                           vf->relative_vf_id, i, vf->igu_sbs[i], queue_id, i);
        }
        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 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_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, "qed_iov_release_hw_for_vf : vf is NULL\n");
                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(struct qed_dmae_params));
        params.flags = QED_DMAE_FLAG_VF_DST;
        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);

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

        REG_WR(p_hwfn,
               GTT_BAR0_MAP_REG_USDM_RAM +
               USTORM_VF_PF_CHANNEL_READY_OFFSET(eng_vf_id), 1);
}

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 & (1 << i)))
                        continue;

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

                if (tlvs_accepted & (1 << 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);
}

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;
}

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 */
        memset(vf_info->mac, 0, ETH_ALEN);
}

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

        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++)
                p_vf->vf_queues[i].rxq_active = 0;

        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);
}

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)
{
        int 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] = p_vf->vf_queues[i].fw_cid;
        }

        /* 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);

        /* 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) {
                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]\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);
                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));

        /* Validate FW compatibility */
        if (req->vfdev_info.eth_fp_hsi_major != ETH_HSI_VER_MAJOR) {
                DP_INFO(p_hwfn,
                        "VF[%d] needs fastpath HSI %02x.%02x, which is incompatible with loaded FW's faspath 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);

                /* Write the PF version so that VF would know which version
                 * is supported.
                 */
                pfdev_info->major_fp_hsi = ETH_HSI_VER_MAJOR;
                pfdev_info->minor_fp_hsi = 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;

        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;
        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 & (1 << 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 & (1 << MAC_ADDR_FORCED)) {
                /* 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;
                }

                p_vf->configured_features |= 1 << MAC_ADDR_FORCED;
        }

        if (events & (1 << 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++) {
                        u16 qid;

                        if (!p_vf->vf_queues[i].rxq_active)
                                continue;

                        qid = p_vf->vf_queues[i].fw_rx_qid;

                        rc = qed_sp_eth_rx_queues_update(p_hwfn, qid,
                                                         1, 0, 1,
                                                         QED_SPQ_MODE_EBLOCK,
                                                         NULL);
                        if (rc) {
                                DP_NOTICE(p_hwfn,
                                          "Failed to send Rx update fo queue[0x%04x]\n",
                                          qid);
                                return rc;
                        }
                }

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

        /* 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);
        }
        qed_iov_enable_vf_traffic(p_hwfn, p_ptt, vf);

        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 & (1 << 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;

        rc = qed_sp_eth_vport_start(p_hwfn, &params);
        if (rc != 0) {
                DP_ERR(p_hwfn,
                       "qed_iov_vf_mbx_start_vport returned error %d\n", 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;

        rc = qed_sp_vport_stop(p_hwfn, vf->opaque_fid, vf->vport_id);
        if (rc != 0) {
                DP_ERR(p_hwfn, "qed_iov_vf_mbx_stop_vport returned error %d\n",
                       rc);
                status = PFVF_STATUS_FAILURE;
        }

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

        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)
{
        struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
        struct pfvf_start_queue_resp_tlv *p_tlv;
        struct vfpf_start_rxq_tlv *req;

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

        p_tlv = qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_START_RXQ,
                            sizeof(*p_tlv));
        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) {
                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, sizeof(*p_tlv), status);
}

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_iov_vf_mbx *mbx = &vf->vf_mbx;
        u8 status = PFVF_STATUS_NO_RESOURCE;
        struct vfpf_start_rxq_tlv *req;
        int rc;

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

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

        params.queue_id =  vf->vf_queues[req->rx_qid].fw_rx_qid;
        params.vf_qid = req->rx_qid;
        params.vport_id = vf->vport_id;
        params.sb = req->hw_sb;
        params.sb_idx = req->sb_index;

        rc = qed_sp_eth_rxq_start_ramrod(p_hwfn, vf->opaque_fid,
                                         vf->vf_queues[req->rx_qid].fw_cid,
                                         &params,
                                         vf->abs_vf_id + 0x10,
                                         req->bd_max_bytes,
                                         req->rxq_addr,
                                         req->cqe_pbl_addr, req->cqe_pbl_size);

        if (rc) {
                status = PFVF_STATUS_FAILURE;
        } else {
                status = PFVF_STATUS_SUCCESS;
                vf->vf_queues[req->rx_qid].rxq_active = true;
                vf->num_active_rxqs++;
        }

out:
        qed_iov_vf_mbx_start_rxq_resp(p_hwfn, p_ptt, vf, 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, u8 status)
{
        struct qed_iov_vf_mbx *mbx = &p_vf->vf_mbx;
        struct pfvf_start_queue_resp_tlv *p_tlv;

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

        p_tlv = qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_START_TXQ,
                            sizeof(*p_tlv));
        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) {
                u16 qid = mbx->req_virt->start_txq.tx_qid;

                p_tlv->offset = qed_db_addr(p_vf->vf_queues[qid].fw_cid,
                                            DQ_DEMS_LEGACY);
        }

        qed_iov_send_response(p_hwfn, p_ptt, p_vf, sizeof(*p_tlv), 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_iov_vf_mbx *mbx = &vf->vf_mbx;
        u8 status = PFVF_STATUS_NO_RESOURCE;
        union qed_qm_pq_params pq_params;
        struct vfpf_start_txq_tlv *req;
        int rc;

        /* Prepare the parameters which would choose the right PQ */
        memset(&pq_params, 0, sizeof(pq_params));
        pq_params.eth.is_vf = 1;
        pq_params.eth.vf_id = vf->relative_vf_id;

        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_sb(p_hwfn, vf, req->hw_sb))
                goto out;

        params.queue_id =  vf->vf_queues[req->tx_qid].fw_tx_qid;
        params.vport_id = vf->vport_id;
        params.sb = req->hw_sb;
        params.sb_idx = req->sb_index;

        rc = qed_sp_eth_txq_start_ramrod(p_hwfn,
                                         vf->opaque_fid,
                                         vf->vf_queues[req->tx_qid].fw_cid,
                                         &params,
                                         vf->abs_vf_id + 0x10,
                                         req->pbl_addr,
                                         req->pbl_size, &pq_params);

        if (rc) {
                status = PFVF_STATUS_FAILURE;
        } else {
                status = PFVF_STATUS_SUCCESS;
                vf->vf_queues[req->tx_qid].txq_active = true;
        }

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

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

        if (rxq_id + num_rxqs > ARRAY_SIZE(vf->vf_queues))
                return -EINVAL;

        for (qid = rxq_id; qid < rxq_id + num_rxqs; qid++) {
                if (vf->vf_queues[qid].rxq_active) {
                        rc = qed_sp_eth_rx_queue_stop(p_hwfn,
                                                      vf->vf_queues[qid].
                                                      fw_rx_qid, false,
                                                      cqe_completion);

                        if (rc)
                                return rc;
                }
                vf->vf_queues[qid].rxq_active = false;
                vf->num_active_rxqs--;
        }

        return rc;
}

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

        if (txq_id + num_txqs > ARRAY_SIZE(vf->vf_queues))
                return -EINVAL;

        for (qid = txq_id; qid < txq_id + num_txqs; qid++) {
                if (vf->vf_queues[qid].txq_active) {
                        rc = qed_sp_eth_tx_queue_stop(p_hwfn,
                                                      vf->vf_queues[qid].
                                                      fw_tx_qid);

                        if (rc)
                                return rc;
                }
                vf->vf_queues[qid].txq_active = false;
        }
        return rc;
}

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_SUCCESS;
        struct vfpf_stop_rxqs_tlv *req;
        int rc;

        /* We give the option of starting from qid != 0, in this case we
         * need to make sure that qid + num_qs doesn't exceed the actual
         * amount of queues that exist.
         */
        req = &mbx->req_virt->stop_rxqs;
        rc = qed_iov_vf_stop_rxqs(p_hwfn, vf, req->rx_qid,
                                  req->num_rxqs, req->cqe_completion);
        if (rc)
                status = PFVF_STATUS_FAILURE;

        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_SUCCESS;
        struct vfpf_stop_txqs_tlv *req;
        int rc;

        /* We give the option of starting from qid != 0, in this case we
         * need to make sure that qid + num_qs doesn't exceed the actual
         * amount of queues that exist.
         */
        req = &mbx->req_virt->stop_txqs;
        rc = qed_iov_vf_stop_txqs(p_hwfn, vf, req->tx_qid, req->num_txqs);
        if (rc)
                status = PFVF_STATUS_FAILURE;

        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)
{
        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_SUCCESS;
        u8 complete_event_flg;
        u8 complete_cqe_flg;
        u16 qid;
        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);

        for (i = 0; i < req->num_rxqs; i++) {
                qid = req->rx_qid + i;

                if (!vf->vf_queues[qid].rxq_active) {
                        DP_NOTICE(p_hwfn, "VF rx_qid = %d isn`t active!\n",
                                  qid);
                        status = PFVF_STATUS_FAILURE;
                        break;
                }

                rc = qed_sp_eth_rx_queues_update(p_hwfn,
                                                 vf->vf_queues[qid].fw_rx_qid,
                                                 1,
                                                 complete_cqe_flg,
                                                 complete_event_flg,
                                                 QED_SPQ_MODE_EBLOCK, NULL);

                if (rc) {
                        status = PFVF_STATUS_FAILURE;
                        break;
                }
        }

        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 & (1 << 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(unsigned long) * 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)
{
        struct vfpf_vport_update_rss_tlv *p_rss_tlv;
        u16 tlv = CHANNEL_TLV_VPORT_UPDATE_RSS;
        u16 i, q_idx, max_q_idx;
        u16 table_size;

        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_ind_table, p_rss_tlv->rss_ind_table,
               sizeof(p_rss->rss_ind_table));
        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));

        max_q_idx = ARRAY_SIZE(vf->vf_queues);

        for (i = 0; i < table_size; i++) {
                u16 index = vf->vf_queues[0].fw_rx_qid;

                q_idx = p_rss->rss_ind_table[i];
                if (q_idx >= max_q_idx)
                        DP_NOTICE(p_hwfn,
                                  "rss_ind_table[%d] = %d, rxq is out of range\n",
                                  i, q_idx);
                else if (!vf->vf_queues[q_idx].rxq_active)
                        DP_NOTICE(p_hwfn,
                                  "rss_ind_table[%d] = %d, rxq is not active\n",
                                  i, q_idx);
                else
                        index = vf->vf_queues[q_idx].fw_rx_qid;
                p_rss->rss_ind_table[i] = index;
        }

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

        /* Valiate 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;
        }

        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_rss_param(p_hwfn, vf, &params, &rss_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);

        /* Just log a message if there is no single extended tlv in buffer.
         * When all features of vport update ramrod would be requested by VF
         * as extended TLVs in buffer then an error can be returned in response
         * if there is no extended TLV present in buffer.
         */
        if (!tlvs_mask) {
                DP_NOTICE(p_hwfn,
                          "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:
        length = qed_iov_prep_vp_update_resp_tlvs(p_hwfn, vf, mbx, status,
                                                  tlvs_mask, tlvs_mask);
        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 & (1 << 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 & (1 << MAC_ADDR_FORCED))
                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)) {
                                memset(p_vf->shadow_config.macs[i], 0,
                                       ETH_ALEN);
                                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++)
                        memset(p_vf->shadow_config.macs[i], 0, ETH_ALEN);
        }

        /* 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;
}

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);

        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 %02x:%02x:%02x:%02x:%02x:%02x, 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[0], params.mac[1],
                   params.mac[2], params.mac[3],
                   params.mac[4], params.mac[5], 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 acceptible by PF */
        if ((p_bulletin->valid_bitmap & (1 << 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 & (1 << 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 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;
}

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 cons[MAX_NUM_VOQS], distance[MAX_NUM_VOQS];
        int i, cnt;

        /* Read initial consumers & producers */
        for (i = 0; i < MAX_NUM_VOQS; i++) {
                u32 prod;

                cons[i] = qed_rd(p_hwfn, p_ptt,
                                 PBF_REG_NUM_BLOCKS_ALLOCATED_CONS_VOQ0 +
                                 i * 0x40);
                prod = qed_rd(p_hwfn, p_ptt,
                              PBF_REG_NUM_BLOCKS_ALLOCATED_PROD_VOQ0 +
                              i * 0x40);
                distance[i] = prod - cons[i];
        }

        /* Wait for consumers to pass the producers */
        i = 0;
        for (cnt = 0; cnt < 50; cnt++) {
                for (; i < MAX_NUM_VOQS; i++) {
                        u32 tmp;

                        tmp = qed_rd(p_hwfn, p_ptt,
                                     PBF_REG_NUM_BLOCKS_ALLOCATED_CONS_VOQ0 +
                                     i * 0x40);
                        if (distance[i] > tmp - cons[i])
                                break;
                }

                if (i == MAX_NUM_VOQS)
                        break;

                msleep(20);
        }

        if (cnt == 50) {
                DP_ERR(p_hwfn, "VF[%d] - pbf polling failed on VOQ %d\n",
                       p_vf->abs_vf_id, i);
                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;
                }

                /* 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] acces\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] |= (1 << (vfid % 32));
                p_hwfn->pf_iov_info->pending_flr[rel_vf_id / 64] &=
                    ~(1ULL << (rel_vf_id % 64));
                p_hwfn->pf_iov_info->pending_events[rel_vf_id / 64] &=
                    ~(1ULL << (rel_vf_id % 64));
        }

        return rc;
}

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;
}

int qed_iov_mark_vf_flr(struct qed_hwfn *p_hwfn, u32 *p_disabled_vfs)
{
        u16 i, found = 0;

        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 0;
        }

        /* 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 ((1 << (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 = 1;
                }
        }

        return found;
}

static void 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;

        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);
}

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 */
        DP_VERBOSE(p_hwfn, QED_MSG_IOV,
                   "VF[%02x]: Processing mailbox message\n", p_vf->abs_vf_id);

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

        /* check if tlv type is known */
        if (qed_iov_tlv_supported(mbx->first_tlv.tl.type)) {
                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;
                }
        } 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);
                }
        }
}

void qed_iov_pf_add_pending_events(struct qed_hwfn *p_hwfn, u8 vfid)
{
        u64 add_bit = 1ULL << (vfid % 64);

        p_hwfn->pf_iov_info->pending_events[vfid / 64] |= add_bit;
}

static void qed_iov_pf_get_and_clear_pending_events(struct qed_hwfn *p_hwfn,
                                                    u64 *events)
{
        u64 *p_pending_events = p_hwfn->pf_iov_info->pending_events;

        memcpy(events, p_pending_events, sizeof(u64) * QED_VF_ARRAY_LENGTH);
        memset(p_pending_events, 0, sizeof(u64) * QED_VF_ARRAY_LENGTH);
}

static int qed_sriov_vfpf_msg(struct qed_hwfn *p_hwfn,
                              u16 abs_vfid, struct regpair *vf_msg)
{
        u8 min = (u8)p_hwfn->cdev->p_iov_info->first_vf_in_pf;
        struct qed_vf_info *p_vf;

        if (!qed_iov_pf_sanity_check(p_hwfn, (int)abs_vfid - min)) {
                DP_VERBOSE(p_hwfn,
                           QED_MSG_IOV,
                           "Got a message from VF [abs 0x%08x] that cannot be handled by PF\n",
                           abs_vfid);
                return 0;
        }
        p_vf = &p_hwfn->pf_iov_info->vfs_array[(u8)abs_vfid - min];

        /* List the physical address of the request so that handler
         * could later on copy the message from it.
         */
        p_vf->vf_mbx.pending_req = (((u64)vf_msg->hi) << 32) | vf_msg->lo;

        /* Mark the event and schedule the workqueue */
        qed_iov_pf_add_pending_events(p_hwfn, p_vf->relative_vf_id);
        qed_schedule_iov(p_hwfn, QED_IOV_WQ_MSG_FLAG);

        return 0;
}

int qed_sriov_eqe_event(struct qed_hwfn *p_hwfn,
                        u8 opcode, __le16 echo, union event_ring_data *data)
{
        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",