root/drivers/infiniband/hw/irdma/ctrl.c
// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
/* Copyright (c) 2015 - 2021 Intel Corporation */
#include <linux/etherdevice.h>

#include "osdep.h"
#include "hmc.h"
#include "defs.h"
#include "type.h"
#include "ws.h"
#include "protos.h"

/**
 * irdma_get_qp_from_list - get next qp from a list
 * @head: Listhead of qp's
 * @qp: current qp
 */
struct irdma_sc_qp *irdma_get_qp_from_list(struct list_head *head,
                                           struct irdma_sc_qp *qp)
{
        struct list_head *lastentry;
        struct list_head *entry = NULL;

        if (list_empty(head))
                return NULL;

        if (!qp) {
                entry = head->next;
        } else {
                lastentry = &qp->list;
                entry = lastentry->next;
                if (entry == head)
                        return NULL;
        }

        return container_of(entry, struct irdma_sc_qp, list);
}

/**
 * irdma_sc_suspend_resume_qps - suspend/resume all qp's on VSI
 * @vsi: the VSI struct pointer
 * @op: Set to IRDMA_OP_RESUME or IRDMA_OP_SUSPEND
 */
void irdma_sc_suspend_resume_qps(struct irdma_sc_vsi *vsi, u8 op)
{
        struct irdma_sc_qp *qp = NULL;
        u8 i;

        for (i = 0; i < IRDMA_MAX_USER_PRIORITY; i++) {
                mutex_lock(&vsi->qos[i].qos_mutex);
                qp = irdma_get_qp_from_list(&vsi->qos[i].qplist, qp);
                while (qp) {
                        if (op == IRDMA_OP_RESUME) {
                                if (!qp->dev->ws_add(vsi, i)) {
                                        qp->qs_handle =
                                                vsi->qos[qp->user_pri].qs_handle;
                                        irdma_cqp_qp_suspend_resume(qp, op);
                                } else {
                                        irdma_cqp_qp_suspend_resume(qp, op);
                                        irdma_modify_qp_to_err(qp);
                                }
                        } else if (op == IRDMA_OP_SUSPEND) {
                                /* issue cqp suspend command */
                                if (!irdma_cqp_qp_suspend_resume(qp, op))
                                        atomic_inc(&vsi->qp_suspend_reqs);
                        }
                        qp = irdma_get_qp_from_list(&vsi->qos[i].qplist, qp);
                }
                mutex_unlock(&vsi->qos[i].qos_mutex);
        }
}

static void irdma_set_qos_info(struct irdma_sc_vsi  *vsi,
                               struct irdma_l2params *l2p)
{
        u8 i;

        if (vsi->dev->hw_attrs.uk_attrs.hw_rev >= IRDMA_GEN_3) {
                for (i = 0; i < IRDMA_MAX_USER_PRIORITY; i++) {
                        vsi->qos[i].qs_handle = vsi->dev->qos[i].qs_handle;
                        vsi->qos[i].valid = true;
                }

                return;
        }
        vsi->qos_rel_bw = l2p->vsi_rel_bw;
        vsi->qos_prio_type = l2p->vsi_prio_type;
        vsi->dscp_mode = l2p->dscp_mode;
        if (l2p->dscp_mode) {
                memcpy(vsi->dscp_map, l2p->dscp_map, sizeof(vsi->dscp_map));
                for (i = 0; i < IRDMA_MAX_USER_PRIORITY; i++)
                        l2p->up2tc[i] = i;
        }
        for (i = 0; i < IRDMA_MAX_USER_PRIORITY; i++) {
                if (vsi->dev->hw_attrs.uk_attrs.hw_rev == IRDMA_GEN_1)
                        vsi->qos[i].qs_handle = l2p->qs_handle_list[i];
                vsi->qos[i].traffic_class = l2p->up2tc[i];
                vsi->qos[i].rel_bw =
                        l2p->tc_info[vsi->qos[i].traffic_class].rel_bw;
                vsi->qos[i].prio_type =
                        l2p->tc_info[vsi->qos[i].traffic_class].prio_type;
                vsi->qos[i].valid = false;
        }
}

/**
 * irdma_change_l2params - given the new l2 parameters, change all qp
 * @vsi: RDMA VSI pointer
 * @l2params: New parameters from l2
 */
void irdma_change_l2params(struct irdma_sc_vsi *vsi,
                           struct irdma_l2params *l2params)
{
        if (l2params->mtu_changed) {
                vsi->mtu = l2params->mtu;
                if (vsi->ieq)
                        irdma_reinitialize_ieq(vsi);
        }

        if (!l2params->tc_changed)
                return;

        vsi->tc_change_pending = false;
        irdma_set_qos_info(vsi, l2params);
        irdma_sc_suspend_resume_qps(vsi, IRDMA_OP_RESUME);
}

/**
 * irdma_qp_rem_qos - remove qp from qos lists during destroy qp
 * @qp: qp to be removed from qos
 */
void irdma_qp_rem_qos(struct irdma_sc_qp *qp)
{
        struct irdma_sc_vsi *vsi = qp->vsi;

        ibdev_dbg(to_ibdev(qp->dev),
                  "DCB: DCB: Remove qp[%d] UP[%d] qset[%d] on_qoslist[%d]\n",
                  qp->qp_uk.qp_id, qp->user_pri, qp->qs_handle,
                  qp->on_qoslist);
        mutex_lock(&vsi->qos[qp->user_pri].qos_mutex);
        if (qp->on_qoslist) {
                qp->on_qoslist = false;
                list_del(&qp->list);
        }
        mutex_unlock(&vsi->qos[qp->user_pri].qos_mutex);
}

/**
 * irdma_qp_add_qos - called during setctx for qp to be added to qos
 * @qp: qp to be added to qos
 */
void irdma_qp_add_qos(struct irdma_sc_qp *qp)
{
        struct irdma_sc_vsi *vsi = qp->vsi;

        ibdev_dbg(to_ibdev(qp->dev),
                  "DCB: DCB: Add qp[%d] UP[%d] qset[%d] on_qoslist[%d]\n",
                  qp->qp_uk.qp_id, qp->user_pri, qp->qs_handle,
                  qp->on_qoslist);
        mutex_lock(&vsi->qos[qp->user_pri].qos_mutex);
        if (!qp->on_qoslist) {
                list_add(&qp->list, &vsi->qos[qp->user_pri].qplist);
                qp->on_qoslist = true;
                qp->qs_handle = vsi->qos[qp->user_pri].qs_handle;
        }
        mutex_unlock(&vsi->qos[qp->user_pri].qos_mutex);
}

/**
 * irdma_sc_pd_init - initialize sc pd struct
 * @dev: sc device struct
 * @pd: sc pd ptr
 * @pd_id: pd_id for allocated pd
 * @abi_ver: User/Kernel ABI version
 */
void irdma_sc_pd_init(struct irdma_sc_dev *dev, struct irdma_sc_pd *pd, u32 pd_id,
                      int abi_ver)
{
        pd->pd_id = pd_id;
        pd->abi_ver = abi_ver;
        pd->dev = dev;
}

/**
 * irdma_sc_add_arp_cache_entry - cqp wqe add arp cache entry
 * @cqp: struct for cqp hw
 * @info: arp entry information
 * @scratch: u64 saved to be used during cqp completion
 * @post_sq: flag for cqp db to ring
 */
static int irdma_sc_add_arp_cache_entry(struct irdma_sc_cqp *cqp,
                                        struct irdma_add_arp_cache_entry_info *info,
                                        u64 scratch, bool post_sq)
{
        __le64 *wqe;
        u64 hdr;

        wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
        if (!wqe)
                return -ENOMEM;
        set_64bit_val(wqe, 8, info->reach_max);
        set_64bit_val(wqe, 16, ether_addr_to_u64(info->mac_addr));

        hdr = info->arp_index |
              FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_MANAGE_ARP) |
              FIELD_PREP(IRDMA_CQPSQ_MAT_PERMANENT, (info->permanent ? 1 : 0)) |
              FIELD_PREP(IRDMA_CQPSQ_MAT_ENTRYVALID, 1) |
              FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
        dma_wmb(); /* make sure WQE is written before valid bit is set */

        set_64bit_val(wqe, 24, hdr);

        print_hex_dump_debug("WQE: ARP_CACHE_ENTRY WQE", DUMP_PREFIX_OFFSET,
                             16, 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false);
        if (post_sq)
                irdma_sc_cqp_post_sq(cqp);

        return 0;
}

/**
 * irdma_sc_del_arp_cache_entry - dele arp cache entry
 * @cqp: struct for cqp hw
 * @scratch: u64 saved to be used during cqp completion
 * @arp_index: arp index to delete arp entry
 * @post_sq: flag for cqp db to ring
 */
static int irdma_sc_del_arp_cache_entry(struct irdma_sc_cqp *cqp, u64 scratch,
                                        u16 arp_index, bool post_sq)
{
        __le64 *wqe;
        u64 hdr;

        wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
        if (!wqe)
                return -ENOMEM;

        hdr = arp_index |
              FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_MANAGE_ARP) |
              FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
        dma_wmb(); /* make sure WQE is written before valid bit is set */

        set_64bit_val(wqe, 24, hdr);

        print_hex_dump_debug("WQE: ARP_CACHE_DEL_ENTRY WQE",
                             DUMP_PREFIX_OFFSET, 16, 8, wqe,
                             IRDMA_CQP_WQE_SIZE * 8, false);
        if (post_sq)
                irdma_sc_cqp_post_sq(cqp);

        return 0;
}

/**
 * irdma_sc_manage_apbvt_entry - for adding and deleting apbvt entries
 * @cqp: struct for cqp hw
 * @info: info for apbvt entry to add or delete
 * @scratch: u64 saved to be used during cqp completion
 * @post_sq: flag for cqp db to ring
 */
static int irdma_sc_manage_apbvt_entry(struct irdma_sc_cqp *cqp,
                                       struct irdma_apbvt_info *info,
                                       u64 scratch, bool post_sq)
{
        __le64 *wqe;
        u64 hdr;

        wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
        if (!wqe)
                return -ENOMEM;

        set_64bit_val(wqe, 16, info->port);

        hdr = FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_MANAGE_APBVT) |
              FIELD_PREP(IRDMA_CQPSQ_MAPT_ADDPORT, info->add) |
              FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
        dma_wmb(); /* make sure WQE is written before valid bit is set */

        set_64bit_val(wqe, 24, hdr);

        print_hex_dump_debug("WQE: MANAGE_APBVT WQE", DUMP_PREFIX_OFFSET, 16,
                             8, wqe, IRDMA_CQP_WQE_SIZE * 8, false);
        if (post_sq)
                irdma_sc_cqp_post_sq(cqp);

        return 0;
}

/**
 * irdma_sc_manage_qhash_table_entry - manage quad hash entries
 * @cqp: struct for cqp hw
 * @info: info for quad hash to manage
 * @scratch: u64 saved to be used during cqp completion
 * @post_sq: flag for cqp db to ring
 *
 * This is called before connection establishment is started.
 * For passive connections, when listener is created, it will
 * call with entry type of  IRDMA_QHASH_TYPE_TCP_SYN with local
 * ip address and tcp port. When SYN is received (passive
 * connections) or sent (active connections), this routine is
 * called with entry type of IRDMA_QHASH_TYPE_TCP_ESTABLISHED
 * and quad is passed in info.
 *
 * When iwarp connection is done and its state moves to RTS, the
 * quad hash entry in the hardware will point to iwarp's qp
 * number and requires no calls from the driver.
 */
static int
irdma_sc_manage_qhash_table_entry(struct irdma_sc_cqp *cqp,
                                  struct irdma_qhash_table_info *info,
                                  u64 scratch, bool post_sq)
{
        __le64 *wqe;
        u64 qw1 = 0;
        u64 qw2 = 0;
        u64 temp;
        struct irdma_sc_vsi *vsi = info->vsi;

        wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
        if (!wqe)
                return -ENOMEM;

        set_64bit_val(wqe, 0, ether_addr_to_u64(info->mac_addr));

        qw1 = FIELD_PREP(IRDMA_CQPSQ_QHASH_QPN, info->qp_num) |
              FIELD_PREP(IRDMA_CQPSQ_QHASH_DEST_PORT, info->dest_port);
        if (info->ipv4_valid) {
                set_64bit_val(wqe, 48,
                              FIELD_PREP(IRDMA_CQPSQ_QHASH_ADDR3, info->dest_ip[0]));
        } else {
                set_64bit_val(wqe, 56,
                              FIELD_PREP(IRDMA_CQPSQ_QHASH_ADDR0, info->dest_ip[0]) |
                              FIELD_PREP(IRDMA_CQPSQ_QHASH_ADDR1, info->dest_ip[1]));

                set_64bit_val(wqe, 48,
                              FIELD_PREP(IRDMA_CQPSQ_QHASH_ADDR2, info->dest_ip[2]) |
                              FIELD_PREP(IRDMA_CQPSQ_QHASH_ADDR3, info->dest_ip[3]));
        }
        qw2 = FIELD_PREP(IRDMA_CQPSQ_QHASH_QS_HANDLE,
                         vsi->qos[info->user_pri].qs_handle);
        if (info->vlan_valid)
                qw2 |= FIELD_PREP(IRDMA_CQPSQ_QHASH_VLANID, info->vlan_id);
        set_64bit_val(wqe, 16, qw2);
        if (info->entry_type == IRDMA_QHASH_TYPE_TCP_ESTABLISHED) {
                qw1 |= FIELD_PREP(IRDMA_CQPSQ_QHASH_SRC_PORT, info->src_port);
                if (!info->ipv4_valid) {
                        set_64bit_val(wqe, 40,
                                      FIELD_PREP(IRDMA_CQPSQ_QHASH_ADDR0, info->src_ip[0]) |
                                      FIELD_PREP(IRDMA_CQPSQ_QHASH_ADDR1, info->src_ip[1]));
                        set_64bit_val(wqe, 32,
                                      FIELD_PREP(IRDMA_CQPSQ_QHASH_ADDR2, info->src_ip[2]) |
                                      FIELD_PREP(IRDMA_CQPSQ_QHASH_ADDR3, info->src_ip[3]));
                } else {
                        set_64bit_val(wqe, 32,
                                      FIELD_PREP(IRDMA_CQPSQ_QHASH_ADDR3, info->src_ip[0]));
                }
        }

        set_64bit_val(wqe, 8, qw1);
        temp = FIELD_PREP(IRDMA_CQPSQ_QHASH_WQEVALID, cqp->polarity) |
               FIELD_PREP(IRDMA_CQPSQ_QHASH_OPCODE,
                          IRDMA_CQP_OP_MANAGE_QUAD_HASH_TABLE_ENTRY) |
               FIELD_PREP(IRDMA_CQPSQ_QHASH_MANAGE, info->manage) |
               FIELD_PREP(IRDMA_CQPSQ_QHASH_IPV4VALID, info->ipv4_valid) |
               FIELD_PREP(IRDMA_CQPSQ_QHASH_VLANVALID, info->vlan_valid) |
               FIELD_PREP(IRDMA_CQPSQ_QHASH_ENTRYTYPE, info->entry_type);
        dma_wmb(); /* make sure WQE is written before valid bit is set */

        set_64bit_val(wqe, 24, temp);

        print_hex_dump_debug("WQE: MANAGE_QHASH WQE", DUMP_PREFIX_OFFSET, 16,
                             8, wqe, IRDMA_CQP_WQE_SIZE * 8, false);
        if (post_sq)
                irdma_sc_cqp_post_sq(cqp);

        return 0;
}

/**
 * irdma_sc_qp_init - initialize qp
 * @qp: sc qp
 * @info: initialization qp info
 */
int irdma_sc_qp_init(struct irdma_sc_qp *qp, struct irdma_qp_init_info *info)
{
        int ret_code;
        u32 pble_obj_cnt;
        u16 wqe_size;

        if (info->qp_uk_init_info.max_sq_frag_cnt >
            info->pd->dev->hw_attrs.uk_attrs.max_hw_wq_frags ||
            info->qp_uk_init_info.max_rq_frag_cnt >
            info->pd->dev->hw_attrs.uk_attrs.max_hw_wq_frags)
                return -EINVAL;

        qp->dev = info->pd->dev;
        qp->vsi = info->vsi;
        qp->ieq_qp = info->vsi->exception_lan_q;
        qp->sq_pa = info->sq_pa;
        qp->rq_pa = info->rq_pa;
        qp->hw_host_ctx_pa = info->host_ctx_pa;
        qp->q2_pa = info->q2_pa;
        qp->shadow_area_pa = info->shadow_area_pa;
        qp->q2_buf = info->q2;
        qp->pd = info->pd;
        qp->hw_host_ctx = info->host_ctx;
        info->qp_uk_init_info.wqe_alloc_db = qp->pd->dev->wqe_alloc_db;
        ret_code = irdma_uk_qp_init(&qp->qp_uk, &info->qp_uk_init_info);
        if (ret_code)
                return ret_code;

        qp->virtual_map = info->virtual_map;
        pble_obj_cnt = info->pd->dev->hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].cnt;

        if ((info->virtual_map && info->sq_pa >= pble_obj_cnt) ||
            (!info->qp_uk_init_info.srq_uk &&
             info->virtual_map && info->rq_pa >= pble_obj_cnt))
                return -EINVAL;

        qp->llp_stream_handle = (void *)(-1);
        qp->hw_sq_size = irdma_get_encoded_wqe_size(qp->qp_uk.sq_ring.size,
                                                    IRDMA_QUEUE_TYPE_SQ_RQ);
        ibdev_dbg(to_ibdev(qp->dev),
                  "WQE: hw_sq_size[%04d] sq_ring.size[%04d]\n",
                  qp->hw_sq_size, qp->qp_uk.sq_ring.size);
        if (qp->qp_uk.uk_attrs->hw_rev == IRDMA_GEN_1 && qp->pd->abi_ver > 4)
                wqe_size = IRDMA_WQE_SIZE_128;
        else
                ret_code = irdma_fragcnt_to_wqesize_rq(qp->qp_uk.max_rq_frag_cnt,
                                                       &wqe_size);
        if (ret_code)
                return ret_code;

        qp->hw_rq_size = irdma_get_encoded_wqe_size(qp->qp_uk.rq_size *
                                (wqe_size / IRDMA_QP_WQE_MIN_SIZE), IRDMA_QUEUE_TYPE_SQ_RQ);
        ibdev_dbg(to_ibdev(qp->dev),
                  "WQE: hw_rq_size[%04d] qp_uk.rq_size[%04d] wqe_size[%04d]\n",
                  qp->hw_rq_size, qp->qp_uk.rq_size, wqe_size);
        qp->sq_tph_val = info->sq_tph_val;
        qp->rq_tph_val = info->rq_tph_val;
        qp->sq_tph_en = info->sq_tph_en;
        qp->rq_tph_en = info->rq_tph_en;
        qp->rcv_tph_en = info->rcv_tph_en;
        qp->xmit_tph_en = info->xmit_tph_en;
        qp->qp_uk.first_sq_wq = info->qp_uk_init_info.first_sq_wq;
        qp->qs_handle = qp->vsi->qos[qp->user_pri].qs_handle;

        return 0;
}

/**
 * irdma_sc_srq_init - init sc_srq structure
 * @srq: srq sc struct
 * @info: parameters for srq init
 */
int irdma_sc_srq_init(struct irdma_sc_srq *srq,
                      struct irdma_srq_init_info *info)
{
        u32 srq_size_quanta;
        int ret_code;

        ret_code = irdma_uk_srq_init(&srq->srq_uk, &info->srq_uk_init_info);
        if (ret_code)
                return ret_code;

        srq->dev = info->pd->dev;
        srq->pd = info->pd;
        srq->vsi = info->vsi;
        srq->srq_pa = info->srq_pa;
        srq->first_pm_pbl_idx = info->first_pm_pbl_idx;
        srq->pasid = info->pasid;
        srq->pasid_valid = info->pasid_valid;
        srq->srq_limit = info->srq_limit;
        srq->leaf_pbl_size = info->leaf_pbl_size;
        srq->virtual_map = info->virtual_map;
        srq->tph_en = info->tph_en;
        srq->arm_limit_event = info->arm_limit_event;
        srq->tph_val = info->tph_value;
        srq->shadow_area_pa = info->shadow_area_pa;

        /* Smallest SRQ size is 256B i.e. 8 quanta */
        srq_size_quanta = max((u32)IRDMA_SRQ_MIN_QUANTA,
                              srq->srq_uk.srq_size *
                              srq->srq_uk.wqe_size_multiplier);
        srq->hw_srq_size = irdma_get_encoded_wqe_size(srq_size_quanta,
                                                      IRDMA_QUEUE_TYPE_SRQ);

        return 0;
}

/**
 * irdma_sc_srq_create - send srq create CQP WQE
 * @srq: srq sc struct
 * @scratch: u64 saved to be used during cqp completion
 * @post_sq: flag for cqp db to ring
 */
static int irdma_sc_srq_create(struct irdma_sc_srq *srq, u64 scratch,
                               bool post_sq)
{
        struct irdma_sc_cqp *cqp;
        __le64 *wqe;
        u64 hdr;

        cqp = srq->pd->dev->cqp;
        if (srq->srq_uk.srq_id < cqp->dev->hw_attrs.min_hw_srq_id ||
            srq->srq_uk.srq_id >
            (cqp->dev->hmc_info->hmc_obj[IRDMA_HMC_IW_SRQ].max_cnt - 1))
                return -EINVAL;

        wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
        if (!wqe)
                return -ENOMEM;

        set_64bit_val(wqe, 0,
                      FIELD_PREP(IRDMA_CQPSQ_SRQ_SRQ_LIMIT, srq->srq_limit) |
                      FIELD_PREP(IRDMA_CQPSQ_SRQ_RQSIZE, srq->hw_srq_size) |
                      FIELD_PREP(IRDMA_CQPSQ_SRQ_RQ_WQE_SIZE, srq->srq_uk.wqe_size));
        set_64bit_val(wqe, 8, (uintptr_t)srq);
        set_64bit_val(wqe, 16,
                      FIELD_PREP(IRDMA_CQPSQ_SRQ_PD_ID, srq->pd->pd_id));
        set_64bit_val(wqe, 32,
                      FIELD_PREP(IRDMA_CQPSQ_SRQ_PHYSICAL_BUFFER_ADDR,
                                 srq->srq_pa >>
                                 IRDMA_CQPSQ_SRQ_PHYSICAL_BUFFER_ADDR_S));
        set_64bit_val(wqe, 40,
                      FIELD_PREP(IRDMA_CQPSQ_SRQ_DB_SHADOW_ADDR,
                                 srq->shadow_area_pa >>
                                 IRDMA_CQPSQ_SRQ_DB_SHADOW_ADDR_S));
        set_64bit_val(wqe, 48,
                      FIELD_PREP(IRDMA_CQPSQ_SRQ_FIRST_PM_PBL_IDX,
                                 srq->first_pm_pbl_idx));

        hdr = srq->srq_uk.srq_id |
              FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_CREATE_SRQ) |
              FIELD_PREP(IRDMA_CQPSQ_SRQ_LEAF_PBL_SIZE, srq->leaf_pbl_size) |
              FIELD_PREP(IRDMA_CQPSQ_SRQ_VIRTMAP, srq->virtual_map) |
              FIELD_PREP(IRDMA_CQPSQ_SRQ_ARM_LIMIT_EVENT,
                         srq->arm_limit_event) |
              FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);

        dma_wmb(); /* make sure WQE is written before valid bit is set */

        set_64bit_val(wqe, 24, hdr);

        print_hex_dump_debug("WQE: SRQ_CREATE WQE", DUMP_PREFIX_OFFSET, 16, 8,
                             wqe, IRDMA_CQP_WQE_SIZE * 8, false);
        if (post_sq)
                irdma_sc_cqp_post_sq(cqp);

        return 0;
}

/**
 * irdma_sc_srq_modify - send modify_srq CQP WQE
 * @srq: srq sc struct
 * @info: parameters for srq modification
 * @scratch: u64 saved to be used during cqp completion
 * @post_sq: flag for cqp db to ring
 */
static int irdma_sc_srq_modify(struct irdma_sc_srq *srq,
                               struct irdma_modify_srq_info *info, u64 scratch,
                               bool post_sq)
{
        struct irdma_sc_cqp *cqp;
        __le64 *wqe;
        u64 hdr;

        cqp = srq->dev->cqp;
        if (srq->srq_uk.srq_id < cqp->dev->hw_attrs.min_hw_srq_id ||
            srq->srq_uk.srq_id >
            (cqp->dev->hmc_info->hmc_obj[IRDMA_HMC_IW_SRQ].max_cnt - 1))
                return -EINVAL;

        wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
        if (!wqe)
                return -ENOMEM;

        set_64bit_val(wqe, 0,
                      FIELD_PREP(IRDMA_CQPSQ_SRQ_SRQ_LIMIT, info->srq_limit) |
                      FIELD_PREP(IRDMA_CQPSQ_SRQ_RQSIZE, srq->hw_srq_size) |
                      FIELD_PREP(IRDMA_CQPSQ_SRQ_RQ_WQE_SIZE, srq->srq_uk.wqe_size));
        set_64bit_val(wqe, 8,
                      FIELD_PREP(IRDMA_CQPSQ_SRQ_SRQCTX, srq->srq_uk.srq_id));
        set_64bit_val(wqe, 16,
                      FIELD_PREP(IRDMA_CQPSQ_SRQ_PD_ID, srq->pd->pd_id));
        set_64bit_val(wqe, 32,
                      FIELD_PREP(IRDMA_CQPSQ_SRQ_PHYSICAL_BUFFER_ADDR,
                                 srq->srq_pa >>
                                 IRDMA_CQPSQ_SRQ_PHYSICAL_BUFFER_ADDR_S));
        set_64bit_val(wqe, 40,
                      FIELD_PREP(IRDMA_CQPSQ_SRQ_DB_SHADOW_ADDR,
                                 srq->shadow_area_pa >>
                                 IRDMA_CQPSQ_SRQ_DB_SHADOW_ADDR_S));
        set_64bit_val(wqe, 48,
                      FIELD_PREP(IRDMA_CQPSQ_SRQ_FIRST_PM_PBL_IDX,
                                 srq->first_pm_pbl_idx));

        hdr = srq->srq_uk.srq_id |
              FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_MODIFY_SRQ) |
              FIELD_PREP(IRDMA_CQPSQ_SRQ_LEAF_PBL_SIZE, srq->leaf_pbl_size) |
              FIELD_PREP(IRDMA_CQPSQ_SRQ_VIRTMAP, srq->virtual_map) |
              FIELD_PREP(IRDMA_CQPSQ_SRQ_ARM_LIMIT_EVENT,
                         info->arm_limit_event) |
              FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
        dma_wmb(); /* make sure WQE is written before valid bit is set */

        set_64bit_val(wqe, 24, hdr);

        print_hex_dump_debug("WQE: SRQ_MODIFY WQE", DUMP_PREFIX_OFFSET, 16, 8,
                             wqe, IRDMA_CQP_WQE_SIZE * 8, false);
        if (post_sq)
                irdma_sc_cqp_post_sq(cqp);

        return 0;
}

/**
 * irdma_sc_srq_destroy - send srq_destroy CQP WQE
 * @srq: srq sc struct
 * @scratch: u64 saved to be used during cqp completion
 * @post_sq: flag for cqp db to ring
 */
static int irdma_sc_srq_destroy(struct irdma_sc_srq *srq, u64 scratch,
                                bool post_sq)
{
        struct irdma_sc_cqp *cqp;
        __le64 *wqe;
        u64 hdr;

        cqp = srq->dev->cqp;

        wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
        if (!wqe)
                return -ENOMEM;

        set_64bit_val(wqe, 8, (uintptr_t)srq);

        hdr = srq->srq_uk.srq_id |
              FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_DESTROY_SRQ) |
              FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
        dma_wmb(); /* make sure WQE is written before valid bit is set */

        set_64bit_val(wqe, 24, hdr);

        print_hex_dump_debug("WQE: SRQ_DESTROY WQE", DUMP_PREFIX_OFFSET, 16,
                             8, wqe, IRDMA_CQP_WQE_SIZE * 8, false);
        if (post_sq)
                irdma_sc_cqp_post_sq(cqp);

        return 0;
}

/**
 * irdma_sc_qp_create - create qp
 * @qp: sc qp
 * @info: qp create info
 * @scratch: u64 saved to be used during cqp completion
 * @post_sq: flag for cqp db to ring
 */
int irdma_sc_qp_create(struct irdma_sc_qp *qp, struct irdma_create_qp_info *info,
                       u64 scratch, bool post_sq)
{
        struct irdma_sc_cqp *cqp;
        __le64 *wqe;
        u64 hdr;

        cqp = qp->dev->cqp;
        if (qp->qp_uk.qp_id < cqp->dev->hw_attrs.min_hw_qp_id ||
            qp->qp_uk.qp_id >= cqp->dev->hmc_info->hmc_obj[IRDMA_HMC_IW_QP].max_cnt)
                return -EINVAL;

        wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
        if (!wqe)
                return -ENOMEM;

        set_64bit_val(wqe, 16, qp->hw_host_ctx_pa);
        set_64bit_val(wqe, 40, qp->shadow_area_pa);

        hdr = qp->qp_uk.qp_id |
              FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_CREATE_QP) |
              FIELD_PREP(IRDMA_CQPSQ_QP_ORDVALID, (info->ord_valid ? 1 : 0)) |
              FIELD_PREP(IRDMA_CQPSQ_QP_TOECTXVALID, info->tcp_ctx_valid) |
              FIELD_PREP(IRDMA_CQPSQ_QP_MACVALID, info->mac_valid) |
              FIELD_PREP(IRDMA_CQPSQ_QP_QPTYPE, qp->qp_uk.qp_type) |
              FIELD_PREP(IRDMA_CQPSQ_QP_VQ, qp->virtual_map) |
              FIELD_PREP(IRDMA_CQPSQ_QP_FORCELOOPBACK, info->force_lpb) |
              FIELD_PREP(IRDMA_CQPSQ_QP_CQNUMVALID, info->cq_num_valid) |
              FIELD_PREP(IRDMA_CQPSQ_QP_ARPTABIDXVALID,
                         info->arp_cache_idx_valid) |
              FIELD_PREP(IRDMA_CQPSQ_QP_NEXTIWSTATE, info->next_iwarp_state) |
              FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
        dma_wmb(); /* make sure WQE is written before valid bit is set */

        set_64bit_val(wqe, 24, hdr);

        print_hex_dump_debug("WQE: QP_CREATE WQE", DUMP_PREFIX_OFFSET, 16, 8,
                             wqe, IRDMA_CQP_WQE_SIZE * 8, false);
        if (post_sq)
                irdma_sc_cqp_post_sq(cqp);

        return 0;
}

/**
 * irdma_sc_qp_modify - modify qp cqp wqe
 * @qp: sc qp
 * @info: modify qp info
 * @scratch: u64 saved to be used during cqp completion
 * @post_sq: flag for cqp db to ring
 */
int irdma_sc_qp_modify(struct irdma_sc_qp *qp, struct irdma_modify_qp_info *info,
                       u64 scratch, bool post_sq)
{
        __le64 *wqe;
        struct irdma_sc_cqp *cqp;
        u64 hdr;
        u8 term_actions = 0;
        u8 term_len = 0;

        cqp = qp->dev->cqp;
        wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
        if (!wqe)
                return -ENOMEM;

        if (info->next_iwarp_state == IRDMA_QP_STATE_TERMINATE) {
                if (info->dont_send_fin)
                        term_actions += IRDMAQP_TERM_SEND_TERM_ONLY;
                if (info->dont_send_term)
                        term_actions += IRDMAQP_TERM_SEND_FIN_ONLY;
                if (term_actions == IRDMAQP_TERM_SEND_TERM_AND_FIN ||
                    term_actions == IRDMAQP_TERM_SEND_TERM_ONLY)
                        term_len = info->termlen;
        }

        set_64bit_val(wqe, 8,
                      FIELD_PREP(IRDMA_CQPSQ_QP_NEWMSS, info->new_mss) |
                      FIELD_PREP(IRDMA_CQPSQ_QP_TERMLEN, term_len));
        set_64bit_val(wqe, 16, qp->hw_host_ctx_pa);
        set_64bit_val(wqe, 40, qp->shadow_area_pa);

        hdr = qp->qp_uk.qp_id |
              FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_MODIFY_QP) |
              FIELD_PREP(IRDMA_CQPSQ_QP_ORDVALID, info->ord_valid) |
              FIELD_PREP(IRDMA_CQPSQ_QP_TOECTXVALID, info->tcp_ctx_valid) |
              FIELD_PREP(IRDMA_CQPSQ_QP_CACHEDVARVALID,
                         info->cached_var_valid) |
              FIELD_PREP(IRDMA_CQPSQ_QP_VQ, qp->virtual_map) |
              FIELD_PREP(IRDMA_CQPSQ_QP_FORCELOOPBACK, info->force_lpb) |
              FIELD_PREP(IRDMA_CQPSQ_QP_CQNUMVALID, info->cq_num_valid) |
              FIELD_PREP(IRDMA_CQPSQ_QP_MACVALID, info->mac_valid) |
              FIELD_PREP(IRDMA_CQPSQ_QP_QPTYPE, qp->qp_uk.qp_type) |
              FIELD_PREP(IRDMA_CQPSQ_QP_MSSCHANGE, info->mss_change) |
              FIELD_PREP(IRDMA_CQPSQ_QP_REMOVEHASHENTRY,
                         info->remove_hash_idx) |
              FIELD_PREP(IRDMA_CQPSQ_QP_TERMACT, term_actions) |
              FIELD_PREP(IRDMA_CQPSQ_QP_RESETCON, info->reset_tcp_conn) |
              FIELD_PREP(IRDMA_CQPSQ_QP_ARPTABIDXVALID,
                         info->arp_cache_idx_valid) |
              FIELD_PREP(IRDMA_CQPSQ_QP_NEXTIWSTATE, info->next_iwarp_state) |
              FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
        dma_wmb(); /* make sure WQE is written before valid bit is set */

        set_64bit_val(wqe, 24, hdr);

        print_hex_dump_debug("WQE: QP_MODIFY WQE", DUMP_PREFIX_OFFSET, 16, 8,
                             wqe, IRDMA_CQP_WQE_SIZE * 8, false);
        if (post_sq)
                irdma_sc_cqp_post_sq(cqp);

        return 0;
}

/**
 * irdma_sc_qp_destroy - cqp destroy qp
 * @qp: sc qp
 * @scratch: u64 saved to be used during cqp completion
 * @remove_hash_idx: flag if to remove hash idx
 * @ignore_mw_bnd: memory window bind flag
 * @post_sq: flag for cqp db to ring
 */
int irdma_sc_qp_destroy(struct irdma_sc_qp *qp, u64 scratch,
                        bool remove_hash_idx, bool ignore_mw_bnd, bool post_sq)
{
        __le64 *wqe;
        struct irdma_sc_cqp *cqp;
        u64 hdr;

        cqp = qp->dev->cqp;
        wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
        if (!wqe)
                return -ENOMEM;

        set_64bit_val(wqe, 16, qp->hw_host_ctx_pa);
        set_64bit_val(wqe, 40, qp->shadow_area_pa);

        hdr = qp->qp_uk.qp_id |
              FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_DESTROY_QP) |
              FIELD_PREP(IRDMA_CQPSQ_QP_QPTYPE, qp->qp_uk.qp_type) |
              FIELD_PREP(IRDMA_CQPSQ_QP_IGNOREMWBOUND, ignore_mw_bnd) |
              FIELD_PREP(IRDMA_CQPSQ_QP_REMOVEHASHENTRY, remove_hash_idx) |
              FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
        dma_wmb(); /* make sure WQE is written before valid bit is set */

        set_64bit_val(wqe, 24, hdr);

        print_hex_dump_debug("WQE: QP_DESTROY WQE", DUMP_PREFIX_OFFSET, 16, 8,
                             wqe, IRDMA_CQP_WQE_SIZE * 8, false);
        if (post_sq)
                irdma_sc_cqp_post_sq(cqp);

        return 0;
}

/**
 * irdma_sc_get_encoded_ird_size -
 * @ird_size: IRD size
 * The ird from the connection is rounded to a supported HW setting and then encoded
 * for ird_size field of qp_ctx. Consumers are expected to provide valid ird size based
 * on hardware attributes. IRD size defaults to a value of 4 in case of invalid input
 */
static u8 irdma_sc_get_encoded_ird_size(u16 ird_size)
{
        switch (ird_size ?
                roundup_pow_of_two(2 * ird_size) : 4) {
        case 256:
                return IRDMA_IRD_HW_SIZE_256;
        case 128:
                return IRDMA_IRD_HW_SIZE_128;
        case 64:
        case 32:
                return IRDMA_IRD_HW_SIZE_64;
        case 16:
        case 8:
                return IRDMA_IRD_HW_SIZE_16;
        case 4:
        default:
                break;
        }

        return IRDMA_IRD_HW_SIZE_4;
}

/**
 * irdma_sc_qp_setctx_roce_gen_2 - set qp's context
 * @qp: sc qp
 * @qp_ctx: context ptr
 * @info: ctx info
 */
static void irdma_sc_qp_setctx_roce_gen_2(struct irdma_sc_qp *qp,
                                          __le64 *qp_ctx,
                                          struct irdma_qp_host_ctx_info *info)
{
        struct irdma_roce_offload_info *roce_info;
        struct irdma_udp_offload_info *udp;
        u8 push_mode_en;
        u32 push_idx;

        roce_info = info->roce_info;
        udp = info->udp_info;
        qp->user_pri = info->user_pri;
        if (qp->push_idx == IRDMA_INVALID_PUSH_PAGE_INDEX) {
                push_mode_en = 0;
                push_idx = 0;
        } else {
                push_mode_en = 1;
                push_idx = qp->push_idx;
        }
        set_64bit_val(qp_ctx, 0,
                      FIELD_PREP(IRDMAQPC_RQWQESIZE, qp->qp_uk.rq_wqe_size) |
                      FIELD_PREP(IRDMAQPC_RCVTPHEN, qp->rcv_tph_en) |
                      FIELD_PREP(IRDMAQPC_XMITTPHEN, qp->xmit_tph_en) |
                      FIELD_PREP(IRDMAQPC_RQTPHEN, qp->rq_tph_en) |
                      FIELD_PREP(IRDMAQPC_SQTPHEN, qp->sq_tph_en) |
                      FIELD_PREP(IRDMAQPC_PPIDX, push_idx) |
                      FIELD_PREP(IRDMAQPC_PMENA, push_mode_en) |
                      FIELD_PREP(IRDMAQPC_PDIDXHI, roce_info->pd_id >> 16) |
                      FIELD_PREP(IRDMAQPC_DC_TCP_EN, roce_info->dctcp_en) |
                      FIELD_PREP(IRDMAQPC_ERR_RQ_IDX_VALID, roce_info->err_rq_idx_valid) |
                      FIELD_PREP(IRDMAQPC_ISQP1, roce_info->is_qp1) |
                      FIELD_PREP(IRDMAQPC_ROCE_TVER, roce_info->roce_tver) |
                      FIELD_PREP(IRDMAQPC_IPV4, udp->ipv4) |
                      FIELD_PREP(IRDMAQPC_INSERTVLANTAG, udp->insert_vlan_tag));
        set_64bit_val(qp_ctx, 8, qp->sq_pa);
        set_64bit_val(qp_ctx, 16, qp->rq_pa);
        if ((roce_info->dcqcn_en || roce_info->dctcp_en) &&
            !(udp->tos & 0x03))
                udp->tos |= ECN_CODE_PT_VAL;
        set_64bit_val(qp_ctx, 24,
                      FIELD_PREP(IRDMAQPC_RQSIZE, qp->hw_rq_size) |
                      FIELD_PREP(IRDMAQPC_SQSIZE, qp->hw_sq_size) |
                      FIELD_PREP(IRDMAQPC_TTL, udp->ttl) | FIELD_PREP(IRDMAQPC_TOS, udp->tos) |
                      FIELD_PREP(IRDMAQPC_SRCPORTNUM, udp->src_port) |
                      FIELD_PREP(IRDMAQPC_DESTPORTNUM, udp->dst_port));
        set_64bit_val(qp_ctx, 32,
                      FIELD_PREP(IRDMAQPC_DESTIPADDR2, udp->dest_ip_addr[2]) |
                      FIELD_PREP(IRDMAQPC_DESTIPADDR3, udp->dest_ip_addr[3]));
        set_64bit_val(qp_ctx, 40,
                      FIELD_PREP(IRDMAQPC_DESTIPADDR0, udp->dest_ip_addr[0]) |
                      FIELD_PREP(IRDMAQPC_DESTIPADDR1, udp->dest_ip_addr[1]));
        set_64bit_val(qp_ctx, 48,
                      FIELD_PREP(IRDMAQPC_SNDMSS, udp->snd_mss) |
                      FIELD_PREP(IRDMAQPC_VLANTAG, udp->vlan_tag) |
                      FIELD_PREP(IRDMAQPC_ARPIDX, udp->arp_idx));
        set_64bit_val(qp_ctx, 56,
                      FIELD_PREP(IRDMAQPC_PKEY, roce_info->p_key) |
                      FIELD_PREP(IRDMAQPC_PDIDX, roce_info->pd_id) |
                      FIELD_PREP(IRDMAQPC_ACKCREDITS, roce_info->ack_credits) |
                      FIELD_PREP(IRDMAQPC_FLOWLABEL, udp->flow_label));
        set_64bit_val(qp_ctx, 64,
                      FIELD_PREP(IRDMAQPC_QKEY, roce_info->qkey) |
                      FIELD_PREP(IRDMAQPC_DESTQP, roce_info->dest_qp));
        set_64bit_val(qp_ctx, 80,
                      FIELD_PREP(IRDMAQPC_PSNNXT, udp->psn_nxt) |
                      FIELD_PREP(IRDMAQPC_LSN, udp->lsn));
        set_64bit_val(qp_ctx, 88,
                      FIELD_PREP(IRDMAQPC_EPSN, udp->epsn));
        set_64bit_val(qp_ctx, 96,
                      FIELD_PREP(IRDMAQPC_PSNMAX, udp->psn_max) |
                      FIELD_PREP(IRDMAQPC_PSNUNA, udp->psn_una));
        set_64bit_val(qp_ctx, 112,
                      FIELD_PREP(IRDMAQPC_CWNDROCE, udp->cwnd));
        set_64bit_val(qp_ctx, 128,
                      FIELD_PREP(IRDMAQPC_ERR_RQ_IDX, roce_info->err_rq_idx) |
                      FIELD_PREP(IRDMAQPC_RNRNAK_THRESH, udp->rnr_nak_thresh) |
                      FIELD_PREP(IRDMAQPC_REXMIT_THRESH, udp->rexmit_thresh) |
                      FIELD_PREP(IRDMAQPC_RTOMIN, roce_info->rtomin));
        set_64bit_val(qp_ctx, 136,
                      FIELD_PREP(IRDMAQPC_TXCQNUM, info->send_cq_num) |
                      FIELD_PREP(IRDMAQPC_RXCQNUM, info->rcv_cq_num));
        set_64bit_val(qp_ctx, 144,
                      FIELD_PREP(IRDMAQPC_STAT_INDEX, info->stats_idx));
        set_64bit_val(qp_ctx, 152, ether_addr_to_u64(roce_info->mac_addr) << 16);
        set_64bit_val(qp_ctx, 160,
                      FIELD_PREP(IRDMAQPC_ORDSIZE, roce_info->ord_size) |
                      FIELD_PREP(IRDMAQPC_IRDSIZE, irdma_sc_get_encoded_ird_size(roce_info->ird_size)) |
                      FIELD_PREP(IRDMAQPC_WRRDRSPOK, roce_info->wr_rdresp_en) |
                      FIELD_PREP(IRDMAQPC_RDOK, roce_info->rd_en) |
                      FIELD_PREP(IRDMAQPC_USESTATSINSTANCE, info->stats_idx_valid) |
                      FIELD_PREP(IRDMAQPC_BINDEN, roce_info->bind_en) |
                      FIELD_PREP(IRDMAQPC_FASTREGEN, roce_info->fast_reg_en) |
                      FIELD_PREP(IRDMAQPC_DCQCNENABLE, roce_info->dcqcn_en) |
                      FIELD_PREP(IRDMAQPC_RCVNOICRC, roce_info->rcv_no_icrc) |
                      FIELD_PREP(IRDMAQPC_FW_CC_ENABLE, roce_info->fw_cc_enable) |
                      FIELD_PREP(IRDMAQPC_UDPRIVCQENABLE, roce_info->udprivcq_en) |
                      FIELD_PREP(IRDMAQPC_PRIVEN, roce_info->priv_mode_en) |
                      FIELD_PREP(IRDMAQPC_TIMELYENABLE, roce_info->timely_en));
        set_64bit_val(qp_ctx, 168,
                      FIELD_PREP(IRDMAQPC_QPCOMPCTX, info->qp_compl_ctx));
        set_64bit_val(qp_ctx, 176,
                      FIELD_PREP(IRDMAQPC_SQTPHVAL, qp->sq_tph_val) |
                      FIELD_PREP(IRDMAQPC_RQTPHVAL, qp->rq_tph_val) |
                      FIELD_PREP(IRDMAQPC_QSHANDLE, qp->qs_handle));
        set_64bit_val(qp_ctx, 184,
                      FIELD_PREP(IRDMAQPC_LOCAL_IPADDR3, udp->local_ipaddr[3]) |
                      FIELD_PREP(IRDMAQPC_LOCAL_IPADDR2, udp->local_ipaddr[2]));
        set_64bit_val(qp_ctx, 192,
                      FIELD_PREP(IRDMAQPC_LOCAL_IPADDR1, udp->local_ipaddr[1]) |
                      FIELD_PREP(IRDMAQPC_LOCAL_IPADDR0, udp->local_ipaddr[0]));
        set_64bit_val(qp_ctx, 200,
                      FIELD_PREP(IRDMAQPC_THIGH, roce_info->t_high) |
                      FIELD_PREP(IRDMAQPC_TLOW, roce_info->t_low));
        set_64bit_val(qp_ctx, 208,
                      FIELD_PREP(IRDMAQPC_REMENDPOINTIDX, info->rem_endpoint_idx));

        print_hex_dump_debug("WQE: QP_HOST CTX WQE", DUMP_PREFIX_OFFSET, 16,
                             8, qp_ctx, IRDMA_QP_CTX_SIZE, false);
}

/**
 * irdma_sc_get_encoded_ird_size_gen_3 - get encoded IRD size for GEN 3
 * @ird_size: IRD size
 * The ird from the connection is rounded to a supported HW setting and then encoded
 * for ird_size field of qp_ctx. Consumers are expected to provide valid ird size based
 * on hardware attributes. IRD size defaults to a value of 4 in case of invalid input.
 */
static u8 irdma_sc_get_encoded_ird_size_gen_3(u16 ird_size)
{
        switch (ird_size ?
                roundup_pow_of_two(2 * ird_size) : 4) {
        case 4096:
                return IRDMA_IRD_HW_SIZE_4096_GEN3;
        case 2048:
                return IRDMA_IRD_HW_SIZE_2048_GEN3;
        case 1024:
                return IRDMA_IRD_HW_SIZE_1024_GEN3;
        case 512:
                return IRDMA_IRD_HW_SIZE_512_GEN3;
        case 256:
                return IRDMA_IRD_HW_SIZE_256_GEN3;
        case 128:
                return IRDMA_IRD_HW_SIZE_128_GEN3;
        case 64:
                return IRDMA_IRD_HW_SIZE_64_GEN3;
        case 32:
                return IRDMA_IRD_HW_SIZE_32_GEN3;
        case 16:
                return IRDMA_IRD_HW_SIZE_16_GEN3;
        case 8:
                return IRDMA_IRD_HW_SIZE_8_GEN3;
        case 4:
        default:
                break;
        }

        return IRDMA_IRD_HW_SIZE_4_GEN3;
}

/**
 * irdma_sc_qp_setctx_roce_gen_3 - set qp's context
 * @qp: sc qp
 * @qp_ctx: context ptr
 * @info: ctx info
 */
static void irdma_sc_qp_setctx_roce_gen_3(struct irdma_sc_qp *qp,
                                          __le64 *qp_ctx,
                                          struct irdma_qp_host_ctx_info *info)
{
        struct irdma_roce_offload_info *roce_info = info->roce_info;
        struct irdma_udp_offload_info *udp = info->udp_info;
        u64 qw0, qw3, qw7 = 0, qw8 = 0;
        u8 push_mode_en;
        u32 push_idx;

        qp->user_pri = info->user_pri;
        if (qp->push_idx == IRDMA_INVALID_PUSH_PAGE_INDEX) {
                push_mode_en = 0;
                push_idx = 0;
        } else {
                push_mode_en = 1;
                push_idx = qp->push_idx;
        }

        qw0 = FIELD_PREP(IRDMAQPC_RQWQESIZE, qp->qp_uk.rq_wqe_size) |
              FIELD_PREP(IRDMAQPC_RCVTPHEN, qp->rcv_tph_en) |
              FIELD_PREP(IRDMAQPC_XMITTPHEN, qp->xmit_tph_en) |
              FIELD_PREP(IRDMAQPC_RQTPHEN, qp->rq_tph_en) |
              FIELD_PREP(IRDMAQPC_SQTPHEN, qp->sq_tph_en) |
              FIELD_PREP(IRDMAQPC_PPIDX, push_idx) |
              FIELD_PREP(IRDMAQPC_PMENA, push_mode_en) |
              FIELD_PREP(IRDMAQPC_DC_TCP_EN, roce_info->dctcp_en) |
              FIELD_PREP(IRDMAQPC_ISQP1, roce_info->is_qp1) |
              FIELD_PREP(IRDMAQPC_ROCE_TVER, roce_info->roce_tver) |
              FIELD_PREP(IRDMAQPC_IPV4, udp->ipv4) |
              FIELD_PREP(IRDMAQPC_USE_SRQ, !qp->qp_uk.srq_uk ? 0 : 1) |
              FIELD_PREP(IRDMAQPC_INSERTVLANTAG, udp->insert_vlan_tag);
        set_64bit_val(qp_ctx, 0, qw0);
        set_64bit_val(qp_ctx, 8, qp->sq_pa);
        set_64bit_val(qp_ctx, 16, qp->rq_pa);
        qw3 = FIELD_PREP(IRDMAQPC_RQSIZE, qp->hw_rq_size) |
              FIELD_PREP(IRDMAQPC_SQSIZE, qp->hw_sq_size) |
              FIELD_PREP(IRDMAQPC_TTL, udp->ttl) |
              FIELD_PREP(IRDMAQPC_TOS, udp->tos) |
              FIELD_PREP(IRDMAQPC_SRCPORTNUM, udp->src_port) |
              FIELD_PREP(IRDMAQPC_DESTPORTNUM, udp->dst_port);
        set_64bit_val(qp_ctx, 24, qw3);
        set_64bit_val(qp_ctx, 32,
                      FIELD_PREP(IRDMAQPC_DESTIPADDR2, udp->dest_ip_addr[2]) |
                      FIELD_PREP(IRDMAQPC_DESTIPADDR3, udp->dest_ip_addr[3]));
        set_64bit_val(qp_ctx, 40,
                      FIELD_PREP(IRDMAQPC_DESTIPADDR0, udp->dest_ip_addr[0]) |
                      FIELD_PREP(IRDMAQPC_DESTIPADDR1, udp->dest_ip_addr[1]));
        set_64bit_val(qp_ctx, 48,
                      FIELD_PREP(IRDMAQPC_SNDMSS, udp->snd_mss) |
                      FIELD_PREP(IRDMAQPC_VLANTAG, udp->vlan_tag) |
                      FIELD_PREP(IRDMAQPC_ARPIDX, udp->arp_idx));
        qw7 =  FIELD_PREP(IRDMAQPC_PKEY, roce_info->p_key) |
               FIELD_PREP(IRDMAQPC_ACKCREDITS, roce_info->ack_credits) |
               FIELD_PREP(IRDMAQPC_FLOWLABEL, udp->flow_label);
        set_64bit_val(qp_ctx, 56, qw7);
        qw8 = FIELD_PREP(IRDMAQPC_QKEY, roce_info->qkey) |
              FIELD_PREP(IRDMAQPC_DESTQP, roce_info->dest_qp);
        set_64bit_val(qp_ctx, 64, qw8);
        set_64bit_val(qp_ctx, 80,
                      FIELD_PREP(IRDMAQPC_PSNNXT, udp->psn_nxt) |
                      FIELD_PREP(IRDMAQPC_LSN, udp->lsn));
        set_64bit_val(qp_ctx, 88,
                      FIELD_PREP(IRDMAQPC_EPSN, udp->epsn));
        set_64bit_val(qp_ctx, 96,
                      FIELD_PREP(IRDMAQPC_PSNMAX, udp->psn_max) |
                      FIELD_PREP(IRDMAQPC_PSNUNA, udp->psn_una));
        set_64bit_val(qp_ctx, 112,
                      FIELD_PREP(IRDMAQPC_CWNDROCE, udp->cwnd));
        set_64bit_val(qp_ctx, 128,
                      FIELD_PREP(IRDMAQPC_MINRNR_TIMER, udp->min_rnr_timer) |
                      FIELD_PREP(IRDMAQPC_RNRNAK_THRESH, udp->rnr_nak_thresh) |
                      FIELD_PREP(IRDMAQPC_REXMIT_THRESH, udp->rexmit_thresh) |
                      FIELD_PREP(IRDMAQPC_RNRNAK_TMR, udp->rnr_nak_tmr) |
                      FIELD_PREP(IRDMAQPC_RTOMIN, roce_info->rtomin));
        set_64bit_val(qp_ctx, 136,
                      FIELD_PREP(IRDMAQPC_TXCQNUM, info->send_cq_num) |
                      FIELD_PREP(IRDMAQPC_RXCQNUM, info->rcv_cq_num));
        set_64bit_val(qp_ctx, 152,
                      FIELD_PREP(IRDMAQPC_MACADDRESS,
                                 ether_addr_to_u64(roce_info->mac_addr)) |
                      FIELD_PREP(IRDMAQPC_LOCALACKTIMEOUT,
                                 roce_info->local_ack_timeout));
        set_64bit_val(qp_ctx, 160,
                      FIELD_PREP(IRDMAQPC_ORDSIZE_GEN3, roce_info->ord_size) |
                      FIELD_PREP(IRDMAQPC_IRDSIZE_GEN3,
                                 irdma_sc_get_encoded_ird_size_gen_3(roce_info->ird_size)) |
                      FIELD_PREP(IRDMAQPC_WRRDRSPOK, roce_info->wr_rdresp_en) |
                      FIELD_PREP(IRDMAQPC_RDOK, roce_info->rd_en) |
                      FIELD_PREP(IRDMAQPC_USESTATSINSTANCE,
                                 info->stats_idx_valid) |
                      FIELD_PREP(IRDMAQPC_BINDEN, roce_info->bind_en) |
                      FIELD_PREP(IRDMAQPC_FASTREGEN, roce_info->fast_reg_en) |
                      FIELD_PREP(IRDMAQPC_DCQCNENABLE, roce_info->dcqcn_en) |
                      FIELD_PREP(IRDMAQPC_RCVNOICRC, roce_info->rcv_no_icrc) |
                      FIELD_PREP(IRDMAQPC_FW_CC_ENABLE,
                                 roce_info->fw_cc_enable) |
                      FIELD_PREP(IRDMAQPC_UDPRIVCQENABLE,
                                 roce_info->udprivcq_en) |
                      FIELD_PREP(IRDMAQPC_PRIVEN, roce_info->priv_mode_en) |
                      FIELD_PREP(IRDMAQPC_REMOTE_ATOMIC_EN,
                                 info->remote_atomics_en) |
                      FIELD_PREP(IRDMAQPC_TIMELYENABLE, roce_info->timely_en));
        set_64bit_val(qp_ctx, 168,
                      FIELD_PREP(IRDMAQPC_QPCOMPCTX, info->qp_compl_ctx));
        set_64bit_val(qp_ctx, 176,
                      FIELD_PREP(IRDMAQPC_SQTPHVAL, qp->sq_tph_val) |
                      FIELD_PREP(IRDMAQPC_RQTPHVAL, qp->rq_tph_val) |
                      FIELD_PREP(IRDMAQPC_QSHANDLE, qp->qs_handle));
        set_64bit_val(qp_ctx, 184,
                      FIELD_PREP(IRDMAQPC_LOCAL_IPADDR3, udp->local_ipaddr[3]) |
                      FIELD_PREP(IRDMAQPC_LOCAL_IPADDR2, udp->local_ipaddr[2]));
        set_64bit_val(qp_ctx, 192,
                      FIELD_PREP(IRDMAQPC_LOCAL_IPADDR1, udp->local_ipaddr[1]) |
                      FIELD_PREP(IRDMAQPC_LOCAL_IPADDR0, udp->local_ipaddr[0]));
        set_64bit_val(qp_ctx, 200,
                      FIELD_PREP(IRDMAQPC_THIGH, roce_info->t_high) |
                      FIELD_PREP(IRDMAQPC_SRQ_ID,
                                 !qp->qp_uk.srq_uk ?
                                        0 : qp->qp_uk.srq_uk->srq_id) |
                      FIELD_PREP(IRDMAQPC_TLOW, roce_info->t_low));
        set_64bit_val(qp_ctx, 208, roce_info->pd_id |
                      FIELD_PREP(IRDMAQPC_STAT_INDEX_GEN3, info->stats_idx) |
                      FIELD_PREP(IRDMAQPC_PKT_LIMIT, qp->pkt_limit));

        print_hex_dump_debug("WQE: QP_HOST ROCE CTX WQE", DUMP_PREFIX_OFFSET,
                             16, 8, qp_ctx, IRDMA_QP_CTX_SIZE, false);
}

void irdma_sc_qp_setctx_roce(struct irdma_sc_qp *qp, __le64 *qp_ctx,
                             struct irdma_qp_host_ctx_info *info)
{
        if (qp->dev->hw_attrs.uk_attrs.hw_rev == IRDMA_GEN_2)
                irdma_sc_qp_setctx_roce_gen_2(qp, qp_ctx, info);
        else
                irdma_sc_qp_setctx_roce_gen_3(qp, qp_ctx, info);
}

/* irdma_sc_alloc_local_mac_entry - allocate a mac entry
 * @cqp: struct for cqp hw
 * @scratch: u64 saved to be used during cqp completion
 * @post_sq: flag for cqp db to ring
 */
static int irdma_sc_alloc_local_mac_entry(struct irdma_sc_cqp *cqp, u64 scratch,
                                          bool post_sq)
{
        __le64 *wqe;
        u64 hdr;

        wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
        if (!wqe)
                return -ENOMEM;

        hdr = FIELD_PREP(IRDMA_CQPSQ_OPCODE,
                         IRDMA_CQP_OP_ALLOCATE_LOC_MAC_TABLE_ENTRY) |
              FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);

        dma_wmb(); /* make sure WQE is written before valid bit is set */

        set_64bit_val(wqe, 24, hdr);

        print_hex_dump_debug("WQE: ALLOCATE_LOCAL_MAC WQE",
                             DUMP_PREFIX_OFFSET, 16, 8, wqe,
                             IRDMA_CQP_WQE_SIZE * 8, false);

        if (post_sq)
                irdma_sc_cqp_post_sq(cqp);
        return 0;
}

/**
 * irdma_sc_add_local_mac_entry - add mac enry
 * @cqp: struct for cqp hw
 * @info:mac addr info
 * @scratch: u64 saved to be used during cqp completion
 * @post_sq: flag for cqp db to ring
 */
static int irdma_sc_add_local_mac_entry(struct irdma_sc_cqp *cqp,
                                        struct irdma_local_mac_entry_info *info,
                                        u64 scratch, bool post_sq)
{
        __le64 *wqe;
        u64 header;

        wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
        if (!wqe)
                return -ENOMEM;

        set_64bit_val(wqe, 32, ether_addr_to_u64(info->mac_addr));

        header = FIELD_PREP(IRDMA_CQPSQ_MLM_TABLEIDX, info->entry_idx) |
                 FIELD_PREP(IRDMA_CQPSQ_OPCODE,
                            IRDMA_CQP_OP_MANAGE_LOC_MAC_TABLE) |
                 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);

        dma_wmb(); /* make sure WQE is written before valid bit is set */

        set_64bit_val(wqe, 24, header);

        print_hex_dump_debug("WQE: ADD_LOCAL_MAC WQE", DUMP_PREFIX_OFFSET, 16,
                             8, wqe, IRDMA_CQP_WQE_SIZE * 8, false);

        if (post_sq)
                irdma_sc_cqp_post_sq(cqp);
        return 0;
}

/**
 * irdma_sc_del_local_mac_entry - cqp wqe to dele local mac
 * @cqp: struct for cqp hw
 * @scratch: u64 saved to be used during cqp completion
 * @entry_idx: index of mac entry
 * @ignore_ref_count: to force mac adde delete
 * @post_sq: flag for cqp db to ring
 */
static int irdma_sc_del_local_mac_entry(struct irdma_sc_cqp *cqp, u64 scratch,
                                        u16 entry_idx, u8 ignore_ref_count,
                                        bool post_sq)
{
        __le64 *wqe;
        u64 header;

        wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
        if (!wqe)
                return -ENOMEM;
        header = FIELD_PREP(IRDMA_CQPSQ_MLM_TABLEIDX, entry_idx) |
                 FIELD_PREP(IRDMA_CQPSQ_OPCODE,
                            IRDMA_CQP_OP_MANAGE_LOC_MAC_TABLE) |
                 FIELD_PREP(IRDMA_CQPSQ_MLM_FREEENTRY, 1) |
                 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity) |
                 FIELD_PREP(IRDMA_CQPSQ_MLM_IGNORE_REF_CNT, ignore_ref_count);

        dma_wmb(); /* make sure WQE is written before valid bit is set */

        set_64bit_val(wqe, 24, header);

        print_hex_dump_debug("WQE: DEL_LOCAL_MAC_IPADDR WQE",
                             DUMP_PREFIX_OFFSET, 16, 8, wqe,
                             IRDMA_CQP_WQE_SIZE * 8, false);

        if (post_sq)
                irdma_sc_cqp_post_sq(cqp);
        return 0;
}

/**
 * irdma_sc_qp_setctx - set qp's context
 * @qp: sc qp
 * @qp_ctx: context ptr
 * @info: ctx info
 */
void irdma_sc_qp_setctx(struct irdma_sc_qp *qp, __le64 *qp_ctx,
                        struct irdma_qp_host_ctx_info *info)
{
        struct irdma_iwarp_offload_info *iw;
        struct irdma_tcp_offload_info *tcp;
        struct irdma_sc_dev *dev;
        u8 push_mode_en;
        u32 push_idx;
        u64 qw0, qw3, qw7 = 0, qw16 = 0;
        u64 mac = 0;

        iw = info->iwarp_info;
        tcp = info->tcp_info;
        dev = qp->dev;
        if (iw->rcv_mark_en) {
                qp->pfpdu.marker_len = 4;
                qp->pfpdu.rcv_start_seq = tcp->rcv_nxt;
        }
        qp->user_pri = info->user_pri;
        if (qp->push_idx == IRDMA_INVALID_PUSH_PAGE_INDEX) {
                push_mode_en = 0;
                push_idx = 0;
        } else {
                push_mode_en = 1;
                push_idx = qp->push_idx;
        }
        qw0 = FIELD_PREP(IRDMAQPC_RQWQESIZE, qp->qp_uk.rq_wqe_size) |
              FIELD_PREP(IRDMAQPC_RCVTPHEN, qp->rcv_tph_en) |
              FIELD_PREP(IRDMAQPC_XMITTPHEN, qp->xmit_tph_en) |
              FIELD_PREP(IRDMAQPC_RQTPHEN, qp->rq_tph_en) |
              FIELD_PREP(IRDMAQPC_SQTPHEN, qp->sq_tph_en) |
              FIELD_PREP(IRDMAQPC_PPIDX, push_idx) |
              FIELD_PREP(IRDMAQPC_PMENA, push_mode_en);

        set_64bit_val(qp_ctx, 8, qp->sq_pa);
        set_64bit_val(qp_ctx, 16, qp->rq_pa);

        qw3 = FIELD_PREP(IRDMAQPC_RQSIZE, qp->hw_rq_size) |
              FIELD_PREP(IRDMAQPC_SQSIZE, qp->hw_sq_size);
        if (dev->hw_attrs.uk_attrs.hw_rev == IRDMA_GEN_1)
                qw3 |= FIELD_PREP(IRDMAQPC_GEN1_SRCMACADDRIDX,
                                  qp->src_mac_addr_idx);
        set_64bit_val(qp_ctx, 136,
                      FIELD_PREP(IRDMAQPC_TXCQNUM, info->send_cq_num) |
                      FIELD_PREP(IRDMAQPC_RXCQNUM, info->rcv_cq_num));
        set_64bit_val(qp_ctx, 168,
                      FIELD_PREP(IRDMAQPC_QPCOMPCTX, info->qp_compl_ctx));
        set_64bit_val(qp_ctx, 176,
                      FIELD_PREP(IRDMAQPC_SQTPHVAL, qp->sq_tph_val) |
                      FIELD_PREP(IRDMAQPC_RQTPHVAL, qp->rq_tph_val) |
                      FIELD_PREP(IRDMAQPC_QSHANDLE, qp->qs_handle) |
                      FIELD_PREP(IRDMAQPC_EXCEPTION_LAN_QUEUE, qp->ieq_qp));
        if (info->iwarp_info_valid) {
                qw0 |= FIELD_PREP(IRDMAQPC_DDP_VER, iw->ddp_ver) |
                       FIELD_PREP(IRDMAQPC_RDMAP_VER, iw->rdmap_ver) |
                       FIELD_PREP(IRDMAQPC_DC_TCP_EN, iw->dctcp_en) |
                       FIELD_PREP(IRDMAQPC_ECN_EN, iw->ecn_en) |
                       FIELD_PREP(IRDMAQPC_IBRDENABLE, iw->ib_rd_en) |
                       FIELD_PREP(IRDMAQPC_PDIDXHI, iw->pd_id >> 16) |
                       FIELD_PREP(IRDMAQPC_ERR_RQ_IDX_VALID,
                                  iw->err_rq_idx_valid);
                qw7 |= FIELD_PREP(IRDMAQPC_PDIDX, iw->pd_id);
                qw16 |= FIELD_PREP(IRDMAQPC_ERR_RQ_IDX, iw->err_rq_idx) |
                        FIELD_PREP(IRDMAQPC_RTOMIN, iw->rtomin);
                set_64bit_val(qp_ctx, 144,
                              FIELD_PREP(IRDMAQPC_Q2ADDR, qp->q2_pa >> 8) |
                              FIELD_PREP(IRDMAQPC_STAT_INDEX, info->stats_idx));

                if (dev->hw_attrs.uk_attrs.hw_rev >= IRDMA_GEN_2)
                        mac = ether_addr_to_u64(iw->mac_addr);

                set_64bit_val(qp_ctx, 152,
                              mac << 16 | FIELD_PREP(IRDMAQPC_LASTBYTESENT, iw->last_byte_sent));
                set_64bit_val(qp_ctx, 160,
                              FIELD_PREP(IRDMAQPC_ORDSIZE, iw->ord_size) |
                              FIELD_PREP(IRDMAQPC_IRDSIZE, irdma_sc_get_encoded_ird_size(iw->ird_size)) |
                              FIELD_PREP(IRDMAQPC_WRRDRSPOK, iw->wr_rdresp_en) |
                              FIELD_PREP(IRDMAQPC_RDOK, iw->rd_en) |
                              FIELD_PREP(IRDMAQPC_SNDMARKERS, iw->snd_mark_en) |
                              FIELD_PREP(IRDMAQPC_BINDEN, iw->bind_en) |
                              FIELD_PREP(IRDMAQPC_FASTREGEN, iw->fast_reg_en) |
                              FIELD_PREP(IRDMAQPC_PRIVEN, iw->priv_mode_en) |
                              FIELD_PREP(IRDMAQPC_USESTATSINSTANCE, info->stats_idx_valid) |
                              FIELD_PREP(IRDMAQPC_IWARPMODE, 1) |
                              FIELD_PREP(IRDMAQPC_RCVMARKERS, iw->rcv_mark_en) |
                              FIELD_PREP(IRDMAQPC_ALIGNHDRS, iw->align_hdrs) |
                              FIELD_PREP(IRDMAQPC_RCVNOMPACRC, iw->rcv_no_mpa_crc) |
                              FIELD_PREP(IRDMAQPC_RCVMARKOFFSET, iw->rcv_mark_offset || !tcp ? iw->rcv_mark_offset : tcp->rcv_nxt) |
                              FIELD_PREP(IRDMAQPC_SNDMARKOFFSET, iw->snd_mark_offset || !tcp ? iw->snd_mark_offset : tcp->snd_nxt) |
                              FIELD_PREP(IRDMAQPC_TIMELYENABLE, iw->timely_en));
        }
        if (info->tcp_info_valid) {
                qw0 |= FIELD_PREP(IRDMAQPC_IPV4, tcp->ipv4) |
                       FIELD_PREP(IRDMAQPC_NONAGLE, tcp->no_nagle) |
                       FIELD_PREP(IRDMAQPC_INSERTVLANTAG,
                                  tcp->insert_vlan_tag) |
                       FIELD_PREP(IRDMAQPC_TIMESTAMP, tcp->time_stamp) |
                       FIELD_PREP(IRDMAQPC_LIMIT, tcp->cwnd_inc_limit) |
                       FIELD_PREP(IRDMAQPC_DROPOOOSEG, tcp->drop_ooo_seg) |
                       FIELD_PREP(IRDMAQPC_DUPACK_THRESH, tcp->dup_ack_thresh);

                if ((iw->ecn_en || iw->dctcp_en) && !(tcp->tos & 0x03))
                        tcp->tos |= ECN_CODE_PT_VAL;

                qw3 |= FIELD_PREP(IRDMAQPC_TTL, tcp->ttl) |
                       FIELD_PREP(IRDMAQPC_AVOIDSTRETCHACK, tcp->avoid_stretch_ack) |
                       FIELD_PREP(IRDMAQPC_TOS, tcp->tos) |
                       FIELD_PREP(IRDMAQPC_SRCPORTNUM, tcp->src_port) |
                       FIELD_PREP(IRDMAQPC_DESTPORTNUM, tcp->dst_port);
                if (dev->hw_attrs.uk_attrs.hw_rev == IRDMA_GEN_1) {
                        qw3 |= FIELD_PREP(IRDMAQPC_GEN1_SRCMACADDRIDX, tcp->src_mac_addr_idx);

                        qp->src_mac_addr_idx = tcp->src_mac_addr_idx;
                }
                set_64bit_val(qp_ctx, 32,
                              FIELD_PREP(IRDMAQPC_DESTIPADDR2, tcp->dest_ip_addr[2]) |
                              FIELD_PREP(IRDMAQPC_DESTIPADDR3, tcp->dest_ip_addr[3]));
                set_64bit_val(qp_ctx, 40,
                              FIELD_PREP(IRDMAQPC_DESTIPADDR0, tcp->dest_ip_addr[0]) |
                              FIELD_PREP(IRDMAQPC_DESTIPADDR1, tcp->dest_ip_addr[1]));
                set_64bit_val(qp_ctx, 48,
                              FIELD_PREP(IRDMAQPC_SNDMSS, tcp->snd_mss) |
                              FIELD_PREP(IRDMAQPC_SYN_RST_HANDLING, tcp->syn_rst_handling) |
                              FIELD_PREP(IRDMAQPC_VLANTAG, tcp->vlan_tag) |
                              FIELD_PREP(IRDMAQPC_ARPIDX, tcp->arp_idx));
                qw7 |= FIELD_PREP(IRDMAQPC_FLOWLABEL, tcp->flow_label) |
                       FIELD_PREP(IRDMAQPC_WSCALE, tcp->wscale) |
                       FIELD_PREP(IRDMAQPC_IGNORE_TCP_OPT,
                                  tcp->ignore_tcp_opt) |
                       FIELD_PREP(IRDMAQPC_IGNORE_TCP_UNS_OPT,
                                  tcp->ignore_tcp_uns_opt) |
                       FIELD_PREP(IRDMAQPC_TCPSTATE, tcp->tcp_state) |
                       FIELD_PREP(IRDMAQPC_RCVSCALE, tcp->rcv_wscale) |
                       FIELD_PREP(IRDMAQPC_SNDSCALE, tcp->snd_wscale);
                set_64bit_val(qp_ctx, 72,
                              FIELD_PREP(IRDMAQPC_TIMESTAMP_RECENT, tcp->time_stamp_recent) |
                              FIELD_PREP(IRDMAQPC_TIMESTAMP_AGE, tcp->time_stamp_age));
                set_64bit_val(qp_ctx, 80,
                              FIELD_PREP(IRDMAQPC_SNDNXT, tcp->snd_nxt) |
                              FIELD_PREP(IRDMAQPC_SNDWND, tcp->snd_wnd));
                set_64bit_val(qp_ctx, 88,
                              FIELD_PREP(IRDMAQPC_RCVNXT, tcp->rcv_nxt) |
                              FIELD_PREP(IRDMAQPC_RCVWND, tcp->rcv_wnd));
                set_64bit_val(qp_ctx, 96,
                              FIELD_PREP(IRDMAQPC_SNDMAX, tcp->snd_max) |
                              FIELD_PREP(IRDMAQPC_SNDUNA, tcp->snd_una));
                set_64bit_val(qp_ctx, 104,
                              FIELD_PREP(IRDMAQPC_SRTT, tcp->srtt) |
                              FIELD_PREP(IRDMAQPC_RTTVAR, tcp->rtt_var));
                set_64bit_val(qp_ctx, 112,
                              FIELD_PREP(IRDMAQPC_SSTHRESH, tcp->ss_thresh) |
                              FIELD_PREP(IRDMAQPC_CWND, tcp->cwnd));
                set_64bit_val(qp_ctx, 120,
                              FIELD_PREP(IRDMAQPC_SNDWL1, tcp->snd_wl1) |
                              FIELD_PREP(IRDMAQPC_SNDWL2, tcp->snd_wl2));
                qw16 |= FIELD_PREP(IRDMAQPC_MAXSNDWND, tcp->max_snd_window) |
                        FIELD_PREP(IRDMAQPC_REXMIT_THRESH, tcp->rexmit_thresh);
                set_64bit_val(qp_ctx, 184,
                              FIELD_PREP(IRDMAQPC_LOCAL_IPADDR3, tcp->local_ipaddr[3]) |
                              FIELD_PREP(IRDMAQPC_LOCAL_IPADDR2, tcp->local_ipaddr[2]));
                set_64bit_val(qp_ctx, 192,
                              FIELD_PREP(IRDMAQPC_LOCAL_IPADDR1, tcp->local_ipaddr[1]) |
                              FIELD_PREP(IRDMAQPC_LOCAL_IPADDR0, tcp->local_ipaddr[0]));
                set_64bit_val(qp_ctx, 200,
                              FIELD_PREP(IRDMAQPC_THIGH, iw->t_high) |
                              FIELD_PREP(IRDMAQPC_TLOW, iw->t_low));
                set_64bit_val(qp_ctx, 208,
                              FIELD_PREP(IRDMAQPC_REMENDPOINTIDX, info->rem_endpoint_idx));
        }

        set_64bit_val(qp_ctx, 0, qw0);
        set_64bit_val(qp_ctx, 24, qw3);
        set_64bit_val(qp_ctx, 56, qw7);
        set_64bit_val(qp_ctx, 128, qw16);

        print_hex_dump_debug("WQE: QP_HOST CTX", DUMP_PREFIX_OFFSET, 16, 8,
                             qp_ctx, IRDMA_QP_CTX_SIZE, false);
}

/**
 * irdma_sc_alloc_stag - mr stag alloc
 * @dev: sc device struct
 * @info: stag info
 * @scratch: u64 saved to be used during cqp completion
 * @post_sq: flag for cqp db to ring
 */
static int irdma_sc_alloc_stag(struct irdma_sc_dev *dev,
                               struct irdma_allocate_stag_info *info,
                               u64 scratch, bool post_sq)
{
        __le64 *wqe;
        struct irdma_sc_cqp *cqp;
        u64 hdr;
        enum irdma_page_size page_size;

        if (!info->total_len && !info->all_memory)
                return -EINVAL;

        if (info->page_size == 0x40000000)
                page_size = IRDMA_PAGE_SIZE_1G;
        else if (info->page_size == 0x200000)
                page_size = IRDMA_PAGE_SIZE_2M;
        else
                page_size = IRDMA_PAGE_SIZE_4K;

        cqp = dev->cqp;
        wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
        if (!wqe)
                return -ENOMEM;

        set_64bit_val(wqe, 8,
                      FLD_LS_64(dev, info->pd_id, IRDMA_CQPSQ_STAG_PDID) |
                      FIELD_PREP(IRDMA_CQPSQ_STAG_STAGLEN, info->total_len));
        set_64bit_val(wqe, 16,
                      FIELD_PREP(IRDMA_CQPSQ_STAG_IDX, info->stag_idx) |
                      FIELD_PREP(IRDMA_CQPSQ_STAG_PDID_HI, info->pd_id >> 18));
        set_64bit_val(wqe, 40,
                      FIELD_PREP(IRDMA_CQPSQ_STAG_HMCFNIDX, info->hmc_fcn_index));

        if (info->chunk_size)
                set_64bit_val(wqe, 48,
                              FIELD_PREP(IRDMA_CQPSQ_STAG_FIRSTPMPBLIDX, info->first_pm_pbl_idx));

        hdr = FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_ALLOC_STAG) |
              FIELD_PREP(IRDMA_CQPSQ_STAG_MR, 1) |
              FIELD_PREP(IRDMA_CQPSQ_STAG_ARIGHTS, info->access_rights) |
              FIELD_PREP(IRDMA_CQPSQ_STAG_LPBLSIZE, info->chunk_size) |
              FIELD_PREP(IRDMA_CQPSQ_STAG_HPAGESIZE, page_size) |
              FIELD_PREP(IRDMA_CQPSQ_STAG_REMACCENABLED, info->remote_access) |
              FIELD_PREP(IRDMA_CQPSQ_STAG_USEHMCFNIDX, info->use_hmc_fcn_index) |
              FIELD_PREP(IRDMA_CQPSQ_STAG_USEPFRID, info->use_pf_rid) |
              FIELD_PREP(IRDMA_CQPSQ_STAG_REMOTE_ATOMIC_EN,
                         info->remote_atomics_en) |
              FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
        dma_wmb(); /* make sure WQE is written before valid bit is set */

        set_64bit_val(wqe, 24, hdr);

        print_hex_dump_debug("WQE: ALLOC_STAG WQE", DUMP_PREFIX_OFFSET, 16, 8,
                             wqe, IRDMA_CQP_WQE_SIZE * 8, false);
        if (post_sq)
                irdma_sc_cqp_post_sq(cqp);

        return 0;
}

/**
 * irdma_sc_mr_reg_non_shared - non-shared mr registration
 * @dev: sc device struct
 * @info: mr info
 * @scratch: u64 saved to be used during cqp completion
 * @post_sq: flag for cqp db to ring
 */
static int irdma_sc_mr_reg_non_shared(struct irdma_sc_dev *dev,
                                      struct irdma_reg_ns_stag_info *info,
                                      u64 scratch, bool post_sq)
{
        __le64 *wqe;
        u64 fbo;
        struct irdma_sc_cqp *cqp;
        u64 hdr;
        u32 pble_obj_cnt;
        bool remote_access;
        u8 addr_type;
        enum irdma_page_size page_size;

        if (!info->total_len && !info->all_memory)
                return -EINVAL;

        if (info->page_size == 0x40000000)
                page_size = IRDMA_PAGE_SIZE_1G;
        else if (info->page_size == 0x200000)
                page_size = IRDMA_PAGE_SIZE_2M;
        else if (info->page_size == 0x1000)
                page_size = IRDMA_PAGE_SIZE_4K;
        else
                return -EINVAL;

        if (info->access_rights & (IRDMA_ACCESS_FLAGS_REMOTEREAD_ONLY |
                                   IRDMA_ACCESS_FLAGS_REMOTEWRITE_ONLY))
                remote_access = true;
        else
                remote_access = false;

        pble_obj_cnt = dev->hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].cnt;
        if (info->chunk_size && info->first_pm_pbl_index >= pble_obj_cnt)
                return -EINVAL;

        cqp = dev->cqp;
        wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
        if (!wqe)
                return -ENOMEM;
        fbo = info->va & (info->page_size - 1);

        set_64bit_val(wqe, 0,
                      (info->addr_type == IRDMA_ADDR_TYPE_VA_BASED ?
                      info->va : fbo));
        set_64bit_val(wqe, 8,
                      FIELD_PREP(IRDMA_CQPSQ_STAG_STAGLEN, info->total_len) |
                      FLD_LS_64(dev, info->pd_id, IRDMA_CQPSQ_STAG_PDID));
        set_64bit_val(wqe, 16,
                      FIELD_PREP(IRDMA_CQPSQ_STAG_KEY, info->stag_key) |
                      FIELD_PREP(IRDMA_CQPSQ_STAG_PDID_HI, info->pd_id >> 18) |
                      FIELD_PREP(IRDMA_CQPSQ_STAG_IDX, info->stag_idx));
        if (!info->chunk_size) {
                set_64bit_val(wqe, 32, info->reg_addr_pa);
                set_64bit_val(wqe, 48, 0);
        } else {
                set_64bit_val(wqe, 32, 0);
                set_64bit_val(wqe, 48,
                              FIELD_PREP(IRDMA_CQPSQ_STAG_FIRSTPMPBLIDX, info->first_pm_pbl_index));
        }
        set_64bit_val(wqe, 40, info->hmc_fcn_index);
        set_64bit_val(wqe, 56, 0);

        addr_type = (info->addr_type == IRDMA_ADDR_TYPE_VA_BASED) ? 1 : 0;
        hdr = FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_REG_MR) |
              FIELD_PREP(IRDMA_CQPSQ_STAG_MR, 1) |
              FIELD_PREP(IRDMA_CQPSQ_STAG_LPBLSIZE, info->chunk_size) |
              FIELD_PREP(IRDMA_CQPSQ_STAG_HPAGESIZE, page_size) |
              FIELD_PREP(IRDMA_CQPSQ_STAG_ARIGHTS, info->access_rights) |
              FIELD_PREP(IRDMA_CQPSQ_STAG_REMACCENABLED, remote_access) |
              FIELD_PREP(IRDMA_CQPSQ_STAG_VABASEDTO, addr_type) |
              FIELD_PREP(IRDMA_CQPSQ_STAG_USEHMCFNIDX, info->use_hmc_fcn_index) |
              FIELD_PREP(IRDMA_CQPSQ_STAG_USEPFRID, info->use_pf_rid) |
              FIELD_PREP(IRDMA_CQPSQ_STAG_REMOTE_ATOMIC_EN,
                         info->remote_atomics_en) |
              FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
        dma_wmb(); /* make sure WQE is written before valid bit is set */

        set_64bit_val(wqe, 24, hdr);

        print_hex_dump_debug("WQE: MR_REG_NS WQE", DUMP_PREFIX_OFFSET, 16, 8,
                             wqe, IRDMA_CQP_WQE_SIZE * 8, false);
        if (post_sq)
                irdma_sc_cqp_post_sq(cqp);

        return 0;
}

/**
 * irdma_sc_dealloc_stag - deallocate stag
 * @dev: sc device struct
 * @info: dealloc stag info
 * @scratch: u64 saved to be used during cqp completion
 * @post_sq: flag for cqp db to ring
 */
static int irdma_sc_dealloc_stag(struct irdma_sc_dev *dev,
                                 struct irdma_dealloc_stag_info *info,
                                 u64 scratch, bool post_sq)
{
        u64 hdr;
        __le64 *wqe;
        struct irdma_sc_cqp *cqp;

        cqp = dev->cqp;
        wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
        if (!wqe)
                return -ENOMEM;

        set_64bit_val(wqe, 8,
                      FLD_LS_64(dev, info->pd_id, IRDMA_CQPSQ_STAG_PDID));
        set_64bit_val(wqe, 16,
                      FIELD_PREP(IRDMA_CQPSQ_STAG_IDX, info->stag_idx) |
                      FIELD_PREP(IRDMA_CQPSQ_STAG_PDID_HI, info->pd_id >> 18));

        hdr = FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_DEALLOC_STAG) |
              FIELD_PREP(IRDMA_CQPSQ_STAG_MR, info->mr) |
              FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
        dma_wmb(); /* make sure WQE is written before valid bit is set */

        set_64bit_val(wqe, 24, hdr);

        print_hex_dump_debug("WQE: DEALLOC_STAG WQE", DUMP_PREFIX_OFFSET, 16,
                             8, wqe, IRDMA_CQP_WQE_SIZE * 8, false);
        if (post_sq)
                irdma_sc_cqp_post_sq(cqp);

        return 0;
}

/**
 * irdma_sc_mw_alloc - mw allocate
 * @dev: sc device struct
 * @info: memory window allocation information
 * @scratch: u64 saved to be used during cqp completion
 * @post_sq: flag for cqp db to ring
 */
static int irdma_sc_mw_alloc(struct irdma_sc_dev *dev,
                             struct irdma_mw_alloc_info *info, u64 scratch,
                             bool post_sq)
{
        u64 hdr;
        struct irdma_sc_cqp *cqp;
        __le64 *wqe;

        cqp = dev->cqp;
        wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
        if (!wqe)
                return -ENOMEM;

        set_64bit_val(wqe, 8,
                      FLD_LS_64(dev, info->pd_id, IRDMA_CQPSQ_STAG_PDID));
        set_64bit_val(wqe, 16,
                      FIELD_PREP(IRDMA_CQPSQ_STAG_IDX, info->mw_stag_index) |
                      FIELD_PREP(IRDMA_CQPSQ_STAG_PDID_HI, info->pd_id >> 18));

        hdr = FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_ALLOC_STAG) |
              FIELD_PREP(IRDMA_CQPSQ_STAG_MWTYPE, info->mw_wide) |
              FIELD_PREP(IRDMA_CQPSQ_STAG_MW1_BIND_DONT_VLDT_KEY,
                         info->mw1_bind_dont_vldt_key) |
              FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
        dma_wmb(); /* make sure WQE is written before valid bit is set */

        set_64bit_val(wqe, 24, hdr);

        print_hex_dump_debug("WQE: MW_ALLOC WQE", DUMP_PREFIX_OFFSET, 16, 8,
                             wqe, IRDMA_CQP_WQE_SIZE * 8, false);
        if (post_sq)
                irdma_sc_cqp_post_sq(cqp);

        return 0;
}

/**
 * irdma_sc_mr_fast_register - Posts RDMA fast register mr WR to iwarp qp
 * @qp: sc qp struct
 * @info: fast mr info
 * @post_sq: flag for cqp db to ring
 */
int irdma_sc_mr_fast_register(struct irdma_sc_qp *qp,
                              struct irdma_fast_reg_stag_info *info,
                              bool post_sq)
{
        u64 temp, hdr;
        __le64 *wqe;
        u32 wqe_idx;
        enum irdma_page_size page_size;
        struct irdma_post_sq_info sq_info = {};

        if (info->page_size == 0x40000000)
                page_size = IRDMA_PAGE_SIZE_1G;
        else if (info->page_size == 0x200000)
                page_size = IRDMA_PAGE_SIZE_2M;
        else
                page_size = IRDMA_PAGE_SIZE_4K;

        sq_info.wr_id = info->wr_id;
        sq_info.signaled = info->signaled;

        wqe = irdma_qp_get_next_send_wqe(&qp->qp_uk, &wqe_idx,
                                         IRDMA_QP_WQE_MIN_QUANTA, 0, &sq_info);
        if (!wqe)
                return -ENOMEM;

        irdma_clr_wqes(&qp->qp_uk, wqe_idx);

        ibdev_dbg(to_ibdev(qp->dev),
                  "MR: wr_id[%llxh] wqe_idx[%04d] location[%p]\n",
                  info->wr_id, wqe_idx,
                  &qp->qp_uk.sq_wrtrk_array[wqe_idx].wrid);

        temp = (info->addr_type == IRDMA_ADDR_TYPE_VA_BASED) ?
                (uintptr_t)info->va : info->fbo;
        set_64bit_val(wqe, 0, temp);

        temp = FIELD_GET(IRDMAQPSQ_FIRSTPMPBLIDXHI,
                         info->first_pm_pbl_index >> 16);
        set_64bit_val(wqe, 8,
                      FIELD_PREP(IRDMAQPSQ_FIRSTPMPBLIDXHI, temp) |
                      FIELD_PREP(IRDMAQPSQ_PBLADDR >> IRDMA_HW_PAGE_SHIFT, info->reg_addr_pa));
        set_64bit_val(wqe, 16,
                      info->total_len |
                      FIELD_PREP(IRDMAQPSQ_FIRSTPMPBLIDXLO, info->first_pm_pbl_index));

        hdr = FIELD_PREP(IRDMAQPSQ_STAGKEY, info->stag_key) |
              FIELD_PREP(IRDMAQPSQ_STAGINDEX, info->stag_idx) |
              FIELD_PREP(IRDMAQPSQ_OPCODE, IRDMAQP_OP_FAST_REGISTER) |
              FIELD_PREP(IRDMAQPSQ_LPBLSIZE, info->chunk_size) |
              FIELD_PREP(IRDMAQPSQ_HPAGESIZE, page_size) |
              FIELD_PREP(IRDMAQPSQ_STAGRIGHTS, info->access_rights) |
              FIELD_PREP(IRDMAQPSQ_VABASEDTO, info->addr_type) |
              FIELD_PREP(IRDMAQPSQ_READFENCE, info->read_fence) |
              FIELD_PREP(IRDMAQPSQ_LOCALFENCE, info->local_fence) |
              FIELD_PREP(IRDMAQPSQ_SIGCOMPL, info->signaled) |
              FIELD_PREP(IRDMAQPSQ_REMOTE_ATOMICS_EN, info->remote_atomics_en) |
              FIELD_PREP(IRDMAQPSQ_VALID, qp->qp_uk.swqe_polarity);
        dma_wmb(); /* make sure WQE is written before valid bit is set */

        set_64bit_val(wqe, 24, hdr);

        print_hex_dump_debug("WQE: FAST_REG WQE", DUMP_PREFIX_OFFSET, 16, 8,
                             wqe, IRDMA_QP_WQE_MIN_SIZE, false);

        if (post_sq)
                irdma_uk_qp_post_wr(&qp->qp_uk);

        return 0;
}

/**
 * irdma_sc_gen_rts_ae - request AE generated after RTS
 * @qp: sc qp struct
 */
static void irdma_sc_gen_rts_ae(struct irdma_sc_qp *qp)
{
        __le64 *wqe;
        u64 hdr;
        struct irdma_qp_uk *qp_uk;

        qp_uk = &qp->qp_uk;

        wqe = qp_uk->sq_base[1].elem;

        hdr = FIELD_PREP(IRDMAQPSQ_OPCODE, IRDMAQP_OP_NOP) |
              FIELD_PREP(IRDMAQPSQ_LOCALFENCE, 1) |
              FIELD_PREP(IRDMAQPSQ_VALID, qp->qp_uk.swqe_polarity);
        dma_wmb(); /* make sure WQE is written before valid bit is set */

        set_64bit_val(wqe, 24, hdr);
        print_hex_dump_debug("QP: NOP W/LOCAL FENCE WQE", DUMP_PREFIX_OFFSET,
                             16, 8, wqe, IRDMA_QP_WQE_MIN_SIZE, false);

        wqe = qp_uk->sq_base[2].elem;
        hdr = FIELD_PREP(IRDMAQPSQ_OPCODE, IRDMAQP_OP_GEN_RTS_AE) |
              FIELD_PREP(IRDMAQPSQ_VALID, qp->qp_uk.swqe_polarity);
        dma_wmb(); /* make sure WQE is written before valid bit is set */

        set_64bit_val(wqe, 24, hdr);
        print_hex_dump_debug("QP: CONN EST WQE", DUMP_PREFIX_OFFSET, 16, 8,
                             wqe, IRDMA_QP_WQE_MIN_SIZE, false);
}

/**
 * irdma_sc_send_lsmm - send last streaming mode message
 * @qp: sc qp struct
 * @lsmm_buf: buffer with lsmm message
 * @size: size of lsmm buffer
 * @stag: stag of lsmm buffer
 */
void irdma_sc_send_lsmm(struct irdma_sc_qp *qp, void *lsmm_buf, u32 size,
                        irdma_stag stag)
{
        __le64 *wqe;
        u64 hdr;
        struct irdma_qp_uk *qp_uk;

        qp_uk = &qp->qp_uk;
        wqe = qp_uk->sq_base->elem;

        set_64bit_val(wqe, 0, (uintptr_t)lsmm_buf);
        if (qp->qp_uk.uk_attrs->hw_rev == IRDMA_GEN_1) {
                set_64bit_val(wqe, 8,
                              FIELD_PREP(IRDMAQPSQ_GEN1_FRAG_LEN, size) |
                              FIELD_PREP(IRDMAQPSQ_GEN1_FRAG_STAG, stag));
        } else {
                set_64bit_val(wqe, 8,
                              FIELD_PREP(IRDMAQPSQ_FRAG_LEN, size) |
                              FIELD_PREP(IRDMAQPSQ_FRAG_STAG, stag) |
                              FIELD_PREP(IRDMAQPSQ_VALID, qp->qp_uk.swqe_polarity));
        }
        set_64bit_val(wqe, 16, 0);

        hdr = FIELD_PREP(IRDMAQPSQ_OPCODE, IRDMAQP_OP_RDMA_SEND) |
              FIELD_PREP(IRDMAQPSQ_STREAMMODE, 1) |
              FIELD_PREP(IRDMAQPSQ_WAITFORRCVPDU, 1) |
              FIELD_PREP(IRDMAQPSQ_VALID, qp->qp_uk.swqe_polarity);
        dma_wmb(); /* make sure WQE is written before valid bit is set */

        set_64bit_val(wqe, 24, hdr);

        print_hex_dump_debug("WQE: SEND_LSMM WQE", DUMP_PREFIX_OFFSET, 16, 8,
                             wqe, IRDMA_QP_WQE_MIN_SIZE, false);

        if (qp->dev->hw_attrs.uk_attrs.feature_flags & IRDMA_FEATURE_RTS_AE)
                irdma_sc_gen_rts_ae(qp);
}

/**
 * irdma_sc_send_rtt - send last read0 or write0
 * @qp: sc qp struct
 * @read: Do read0 or write0
 */
void irdma_sc_send_rtt(struct irdma_sc_qp *qp, bool read)
{
        __le64 *wqe;
        u64 hdr;
        struct irdma_qp_uk *qp_uk;

        qp_uk = &qp->qp_uk;
        wqe = qp_uk->sq_base->elem;

        set_64bit_val(wqe, 0, 0);
        set_64bit_val(wqe, 16, 0);
        if (read) {
                if (qp->qp_uk.uk_attrs->hw_rev == IRDMA_GEN_1) {
                        set_64bit_val(wqe, 8,
                                      FIELD_PREP(IRDMAQPSQ_GEN1_FRAG_STAG, 0xabcd));
                } else {
                        set_64bit_val(wqe, 8,
                                      (u64)0xabcd | FIELD_PREP(IRDMAQPSQ_VALID, qp->qp_uk.swqe_polarity));
                }
                hdr = FIELD_PREP(IRDMAQPSQ_REMSTAG, 0x1234) |
                      FIELD_PREP(IRDMAQPSQ_OPCODE, IRDMAQP_OP_RDMA_READ) |
                      FIELD_PREP(IRDMAQPSQ_VALID, qp->qp_uk.swqe_polarity);

        } else {
                if (qp->qp_uk.uk_attrs->hw_rev == IRDMA_GEN_1) {
                        set_64bit_val(wqe, 8, 0);
                } else {
                        set_64bit_val(wqe, 8,
                                      FIELD_PREP(IRDMAQPSQ_VALID, qp->qp_uk.swqe_polarity));
                }
                hdr = FIELD_PREP(IRDMAQPSQ_OPCODE, IRDMAQP_OP_RDMA_WRITE) |
                      FIELD_PREP(IRDMAQPSQ_VALID, qp->qp_uk.swqe_polarity);
        }

        dma_wmb(); /* make sure WQE is written before valid bit is set */

        set_64bit_val(wqe, 24, hdr);

        print_hex_dump_debug("WQE: RTR WQE", DUMP_PREFIX_OFFSET, 16, 8, wqe,
                             IRDMA_QP_WQE_MIN_SIZE, false);

        if (qp->dev->hw_attrs.uk_attrs.feature_flags & IRDMA_FEATURE_RTS_AE)
                irdma_sc_gen_rts_ae(qp);
}

/**
 * irdma_iwarp_opcode - determine if incoming is rdma layer
 * @info: aeq info for the packet
 * @pkt: packet for error
 */
static u32 irdma_iwarp_opcode(struct irdma_aeqe_info *info, u8 *pkt)
{
        __be16 *mpa;
        u32 opcode = 0xffffffff;

        if (info->q2_data_written) {
                mpa = (__be16 *)pkt;
                opcode = ntohs(mpa[1]) & 0xf;
        }

        return opcode;
}

/**
 * irdma_locate_mpa - return pointer to mpa in the pkt
 * @pkt: packet with data
 */
static u8 *irdma_locate_mpa(u8 *pkt)
{
        /* skip over ethernet header */
        pkt += IRDMA_MAC_HLEN;

        /* Skip over IP and TCP headers */
        pkt += 4 * (pkt[0] & 0x0f);
        pkt += 4 * ((pkt[12] >> 4) & 0x0f);

        return pkt;
}

/**
 * irdma_bld_termhdr_ctrl - setup terminate hdr control fields
 * @qp: sc qp ptr for pkt
 * @hdr: term hdr
 * @opcode: flush opcode for termhdr
 * @layer_etype: error layer + error type
 * @err: error cod ein the header
 */
static void irdma_bld_termhdr_ctrl(struct irdma_sc_qp *qp,
                                   struct irdma_terminate_hdr *hdr,
                                   enum irdma_flush_opcode opcode,
                                   u8 layer_etype, u8 err)
{
        qp->flush_code = opcode;
        hdr->layer_etype = layer_etype;
        hdr->error_code = err;
}

/**
 * irdma_bld_termhdr_ddp_rdma - setup ddp and rdma hdrs in terminate hdr
 * @pkt: ptr to mpa in offending pkt
 * @hdr: term hdr
 * @copy_len: offending pkt length to be copied to term hdr
 * @is_tagged: DDP tagged or untagged
 */
static void irdma_bld_termhdr_ddp_rdma(u8 *pkt, struct irdma_terminate_hdr *hdr,
                                       int *copy_len, u8 *is_tagged)
{
        u16 ddp_seg_len;

        ddp_seg_len = ntohs(*(__be16 *)pkt);
        if (ddp_seg_len) {
                *copy_len = 2;
                hdr->hdrct = DDP_LEN_FLAG;
                if (pkt[2] & 0x80) {
                        *is_tagged = 1;
                        if (ddp_seg_len >= TERM_DDP_LEN_TAGGED) {
                                *copy_len += TERM_DDP_LEN_TAGGED;
                                hdr->hdrct |= DDP_HDR_FLAG;
                        }
                } else {
                        if (ddp_seg_len >= TERM_DDP_LEN_UNTAGGED) {
                                *copy_len += TERM_DDP_LEN_UNTAGGED;
                                hdr->hdrct |= DDP_HDR_FLAG;
                        }
                        if (ddp_seg_len >= (TERM_DDP_LEN_UNTAGGED + TERM_RDMA_LEN) &&
                            ((pkt[3] & RDMA_OPCODE_M) == RDMA_READ_REQ_OPCODE)) {
                                *copy_len += TERM_RDMA_LEN;
                                hdr->hdrct |= RDMA_HDR_FLAG;
                        }
                }
        }
}

/**
 * irdma_bld_terminate_hdr - build terminate message header
 * @qp: qp associated with received terminate AE
 * @info: the struct contiaing AE information
 */
static int irdma_bld_terminate_hdr(struct irdma_sc_qp *qp,
                                   struct irdma_aeqe_info *info)
{
        u8 *pkt = qp->q2_buf + Q2_BAD_FRAME_OFFSET;
        int copy_len = 0;
        u8 is_tagged = 0;
        u32 opcode;
        struct irdma_terminate_hdr *termhdr;

        termhdr = (struct irdma_terminate_hdr *)qp->q2_buf;
        memset(termhdr, 0, Q2_BAD_FRAME_OFFSET);

        if (info->q2_data_written) {
                pkt = irdma_locate_mpa(pkt);
                irdma_bld_termhdr_ddp_rdma(pkt, termhdr, &copy_len, &is_tagged);
        }

        opcode = irdma_iwarp_opcode(info, pkt);
        qp->event_type = IRDMA_QP_EVENT_CATASTROPHIC;
        qp->sq_flush_code = info->sq;
        qp->rq_flush_code = info->rq;

        switch (info->ae_id) {
        case IRDMA_AE_AMP_UNALLOCATED_STAG:
                qp->event_type = IRDMA_QP_EVENT_ACCESS_ERR;
                if (opcode == IRDMA_OP_TYPE_RDMA_WRITE)
                        irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_PROT_ERR,
                                               (LAYER_DDP << 4) | DDP_TAGGED_BUF,
                                               DDP_TAGGED_INV_STAG);
                else
                        irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_REM_ACCESS_ERR,
                                               (LAYER_RDMA << 4) | RDMAP_REMOTE_PROT,
                                               RDMAP_INV_STAG);
                break;
        case IRDMA_AE_AMP_BOUNDS_VIOLATION:
                qp->event_type = IRDMA_QP_EVENT_ACCESS_ERR;
                if (info->q2_data_written)
                        irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_PROT_ERR,
                                               (LAYER_DDP << 4) | DDP_TAGGED_BUF,
                                               DDP_TAGGED_BOUNDS);
                else
                        irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_REM_ACCESS_ERR,
                                               (LAYER_RDMA << 4) | RDMAP_REMOTE_PROT,
                                               RDMAP_INV_BOUNDS);
                break;
        case IRDMA_AE_AMP_BAD_PD:
                switch (opcode) {
                case IRDMA_OP_TYPE_RDMA_WRITE:
                        irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_PROT_ERR,
                                               (LAYER_DDP << 4) | DDP_TAGGED_BUF,
                                               DDP_TAGGED_UNASSOC_STAG);
                        break;
                case IRDMA_OP_TYPE_SEND_INV:
                case IRDMA_OP_TYPE_SEND_SOL_INV:
                        irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_REM_ACCESS_ERR,
                                               (LAYER_RDMA << 4) | RDMAP_REMOTE_PROT,
                                               RDMAP_CANT_INV_STAG);
                        break;
                default:
                        irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_REM_ACCESS_ERR,
                                               (LAYER_RDMA << 4) | RDMAP_REMOTE_PROT,
                                               RDMAP_UNASSOC_STAG);
                }
                break;
        case IRDMA_AE_AMP_INVALID_STAG:
                qp->event_type = IRDMA_QP_EVENT_ACCESS_ERR;
                irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_REM_ACCESS_ERR,
                                       (LAYER_RDMA << 4) | RDMAP_REMOTE_PROT,
                                       RDMAP_INV_STAG);
                break;
        case IRDMA_AE_AMP_BAD_QP:
                irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_LOC_QP_OP_ERR,
                                       (LAYER_DDP << 4) | DDP_UNTAGGED_BUF,
                                       DDP_UNTAGGED_INV_QN);
                break;
        case IRDMA_AE_AMP_BAD_STAG_KEY:
        case IRDMA_AE_AMP_BAD_STAG_INDEX:
                qp->event_type = IRDMA_QP_EVENT_ACCESS_ERR;
                switch (opcode) {
                case IRDMA_OP_TYPE_SEND_INV:
                case IRDMA_OP_TYPE_SEND_SOL_INV:
                        irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_REM_OP_ERR,
                                               (LAYER_RDMA << 4) | RDMAP_REMOTE_OP,
                                               RDMAP_CANT_INV_STAG);
                        break;
                default:
                        irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_REM_ACCESS_ERR,
                                               (LAYER_RDMA << 4) | RDMAP_REMOTE_OP,
                                               RDMAP_INV_STAG);
                }
                break;
        case IRDMA_AE_AMP_RIGHTS_VIOLATION:
        case IRDMA_AE_AMP_INVALIDATE_NO_REMOTE_ACCESS_RIGHTS:
        case IRDMA_AE_PRIV_OPERATION_DENIED:
                qp->event_type = IRDMA_QP_EVENT_ACCESS_ERR;
                irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_REM_ACCESS_ERR,
                                       (LAYER_RDMA << 4) | RDMAP_REMOTE_PROT,
                                       RDMAP_ACCESS);
                break;
        case IRDMA_AE_AMP_TO_WRAP:
                qp->event_type = IRDMA_QP_EVENT_ACCESS_ERR;
                irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_REM_ACCESS_ERR,
                                       (LAYER_RDMA << 4) | RDMAP_REMOTE_PROT,
                                       RDMAP_TO_WRAP);
                break;
        case IRDMA_AE_LLP_RECEIVED_MPA_CRC_ERROR:
                irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_GENERAL_ERR,
                                       (LAYER_MPA << 4) | DDP_LLP, MPA_CRC);
                break;
        case IRDMA_AE_LLP_SEGMENT_TOO_SMALL:
                irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_LOC_LEN_ERR,
                                       (LAYER_DDP << 4) | DDP_CATASTROPHIC,
                                       DDP_CATASTROPHIC_LOCAL);
                break;
        case IRDMA_AE_LCE_QP_CATASTROPHIC:
        case IRDMA_AE_DDP_NO_L_BIT:
                irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_FATAL_ERR,
                                       (LAYER_DDP << 4) | DDP_CATASTROPHIC,
                                       DDP_CATASTROPHIC_LOCAL);
                break;
        case IRDMA_AE_DDP_INVALID_MSN_GAP_IN_MSN:
                irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_GENERAL_ERR,
                                       (LAYER_DDP << 4) | DDP_UNTAGGED_BUF,
                                       DDP_UNTAGGED_INV_MSN_RANGE);
                break;
        case IRDMA_AE_DDP_UBE_DDP_MESSAGE_TOO_LONG_FOR_AVAILABLE_BUFFER:
                qp->event_type = IRDMA_QP_EVENT_ACCESS_ERR;
                irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_LOC_LEN_ERR,
                                       (LAYER_DDP << 4) | DDP_UNTAGGED_BUF,
                                       DDP_UNTAGGED_INV_TOO_LONG);
                break;
        case IRDMA_AE_DDP_UBE_INVALID_DDP_VERSION:
                if (is_tagged)
                        irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_GENERAL_ERR,
                                               (LAYER_DDP << 4) | DDP_TAGGED_BUF,
                                               DDP_TAGGED_INV_DDP_VER);
                else
                        irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_GENERAL_ERR,
                                               (LAYER_DDP << 4) | DDP_UNTAGGED_BUF,
                                               DDP_UNTAGGED_INV_DDP_VER);
                break;
        case IRDMA_AE_DDP_UBE_INVALID_MO:
                irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_GENERAL_ERR,
                                       (LAYER_DDP << 4) | DDP_UNTAGGED_BUF,
                                       DDP_UNTAGGED_INV_MO);
                break;
        case IRDMA_AE_DDP_UBE_INVALID_MSN_NO_BUFFER_AVAILABLE:
                irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_REM_OP_ERR,
                                       (LAYER_DDP << 4) | DDP_UNTAGGED_BUF,
                                       DDP_UNTAGGED_INV_MSN_NO_BUF);
                break;
        case IRDMA_AE_DDP_UBE_INVALID_QN:
                irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_GENERAL_ERR,
                                       (LAYER_DDP << 4) | DDP_UNTAGGED_BUF,
                                       DDP_UNTAGGED_INV_QN);
                break;
        case IRDMA_AE_RDMAP_ROE_INVALID_RDMAP_VERSION:
                irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_GENERAL_ERR,
                                       (LAYER_RDMA << 4) | RDMAP_REMOTE_OP,
                                       RDMAP_INV_RDMAP_VER);
                break;
        default:
                irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_FATAL_ERR,
                                       (LAYER_RDMA << 4) | RDMAP_REMOTE_OP,
                                       RDMAP_UNSPECIFIED);
                break;
        }

        if (copy_len)
                memcpy(termhdr + 1, pkt, copy_len);

        return sizeof(struct irdma_terminate_hdr) + copy_len;
}

/**
 * irdma_terminate_send_fin() - Send fin for terminate message
 * @qp: qp associated with received terminate AE
 */
void irdma_terminate_send_fin(struct irdma_sc_qp *qp)
{
        irdma_term_modify_qp(qp, IRDMA_QP_STATE_TERMINATE,
                             IRDMAQP_TERM_SEND_FIN_ONLY, 0);
}

/**
 * irdma_terminate_connection() - Bad AE and send terminate to remote QP
 * @qp: qp associated with received terminate AE
 * @info: the struct contiaing AE information
 */
void irdma_terminate_connection(struct irdma_sc_qp *qp,
                                struct irdma_aeqe_info *info)
{
        u8 termlen = 0;

        if (qp->term_flags & IRDMA_TERM_SENT)
                return;

        termlen = irdma_bld_terminate_hdr(qp, info);
        irdma_terminate_start_timer(qp);
        qp->term_flags |= IRDMA_TERM_SENT;
        irdma_term_modify_qp(qp, IRDMA_QP_STATE_TERMINATE,
                             IRDMAQP_TERM_SEND_TERM_ONLY, termlen);
}

/**
 * irdma_terminate_received - handle terminate received AE
 * @qp: qp associated with received terminate AE
 * @info: the struct contiaing AE information
 */
void irdma_terminate_received(struct irdma_sc_qp *qp,
                              struct irdma_aeqe_info *info)
{
        u8 *pkt = qp->q2_buf + Q2_BAD_FRAME_OFFSET;
        __be32 *mpa;
        u8 ddp_ctl;
        u8 rdma_ctl;
        u16 aeq_id = 0;
        struct irdma_terminate_hdr *termhdr;

        mpa = (__be32 *)irdma_locate_mpa(pkt);
        if (info->q2_data_written) {
                /* did not validate the frame - do it now */
                ddp_ctl = (ntohl(mpa[0]) >> 8) & 0xff;
                rdma_ctl = ntohl(mpa[0]) & 0xff;
                if ((ddp_ctl & 0xc0) != 0x40)
                        aeq_id = IRDMA_AE_LCE_QP_CATASTROPHIC;
                else if ((ddp_ctl & 0x03) != 1)
                        aeq_id = IRDMA_AE_DDP_UBE_INVALID_DDP_VERSION;
                else if (ntohl(mpa[2]) != 2)
                        aeq_id = IRDMA_AE_DDP_UBE_INVALID_QN;
                else if (ntohl(mpa[3]) != 1)
                        aeq_id = IRDMA_AE_DDP_INVALID_MSN_GAP_IN_MSN;
                else if (ntohl(mpa[4]) != 0)
                        aeq_id = IRDMA_AE_DDP_UBE_INVALID_MO;
                else if ((rdma_ctl & 0xc0) != 0x40)
                        aeq_id = IRDMA_AE_RDMAP_ROE_INVALID_RDMAP_VERSION;

                info->ae_id = aeq_id;
                if (info->ae_id) {
                        /* Bad terminate recvd - send back a terminate */
                        irdma_terminate_connection(qp, info);
                        return;
                }
        }

        qp->term_flags |= IRDMA_TERM_RCVD;
        qp->event_type = IRDMA_QP_EVENT_CATASTROPHIC;
        termhdr = (struct irdma_terminate_hdr *)&mpa[5];
        if (termhdr->layer_etype == RDMAP_REMOTE_PROT ||
            termhdr->layer_etype == RDMAP_REMOTE_OP) {
                irdma_terminate_done(qp, 0);
        } else {
                irdma_terminate_start_timer(qp);
                irdma_terminate_send_fin(qp);
        }
}

static int irdma_null_ws_add(struct irdma_sc_vsi *vsi, u8 user_pri)
{
        return 0;
}

static void irdma_null_ws_remove(struct irdma_sc_vsi *vsi, u8 user_pri)
{
        /* do nothing */
}

static void irdma_null_ws_reset(struct irdma_sc_vsi *vsi)
{
        /* do nothing */
}

/**
 * irdma_sc_vsi_init - Init the vsi structure
 * @vsi: pointer to vsi structure to initialize
 * @info: the info used to initialize the vsi struct
 */
void irdma_sc_vsi_init(struct irdma_sc_vsi  *vsi,
                       struct irdma_vsi_init_info *info)
{
        int i;

        vsi->dev = info->dev;
        vsi->back_vsi = info->back_vsi;
        vsi->register_qset = info->register_qset;
        vsi->unregister_qset = info->unregister_qset;
        vsi->mtu = info->params->mtu;
        vsi->exception_lan_q = info->exception_lan_q;
        vsi->vsi_idx = info->pf_data_vsi_num;

        irdma_set_qos_info(vsi, info->params);
        for (i = 0; i < IRDMA_MAX_USER_PRIORITY; i++) {
                mutex_init(&vsi->qos[i].qos_mutex);
                INIT_LIST_HEAD(&vsi->qos[i].qplist);
        }
        if (vsi->dev->hw_attrs.uk_attrs.hw_rev == IRDMA_GEN_2) {
                vsi->dev->ws_add = irdma_ws_add;
                vsi->dev->ws_remove = irdma_ws_remove;
                vsi->dev->ws_reset = irdma_ws_reset;
        } else {
                vsi->dev->ws_add = irdma_null_ws_add;
                vsi->dev->ws_remove = irdma_null_ws_remove;
                vsi->dev->ws_reset = irdma_null_ws_reset;
        }
}

/**
 * irdma_get_stats_idx - Return stats index
 * @vsi: pointer to the vsi
 */
static u16 irdma_get_stats_idx(struct irdma_sc_vsi *vsi)
{
        struct irdma_stats_inst_info stats_info = {};
        struct irdma_sc_dev *dev = vsi->dev;
        u8 i;

        if (dev->hw_attrs.uk_attrs.hw_rev >= IRDMA_GEN_2) {
                if (!irdma_cqp_stats_inst_cmd(vsi, IRDMA_OP_STATS_ALLOCATE,
                                              &stats_info))
                        return stats_info.stats_idx;
        }

        for (i = 0; i < IRDMA_MAX_STATS_COUNT_GEN_1; i++) {
                if (!dev->stats_idx_array[i]) {
                        dev->stats_idx_array[i] = true;
                        return i;
                }
        }

        return IRDMA_INVALID_STATS_IDX;
}

/**
 * irdma_hw_stats_init_gen1 - Initialize stat reg table used for gen1
 * @vsi: vsi structure where hw_regs are set
 *
 * Populate the HW stats table
 */
static void irdma_hw_stats_init_gen1(struct irdma_sc_vsi *vsi)
{
        struct irdma_sc_dev *dev = vsi->dev;
        const struct irdma_hw_stat_map *map;
        u64 *stat_reg = vsi->hw_stats_regs;
        u64 *regs = dev->hw_stats_regs;
        u16 i, stats_reg_set = vsi->stats_idx;

        map = dev->hw_stats_map;

        /* First 4 stat instances are reserved for port level statistics. */
        stats_reg_set += vsi->stats_inst_alloc ? IRDMA_FIRST_NON_PF_STAT : 0;

        for (i = 0; i < dev->hw_attrs.max_stat_idx; i++) {
                if (map[i].bitmask <= IRDMA_MAX_STATS_32)
                        stat_reg[i] = regs[i] + stats_reg_set * sizeof(u32);
                else
                        stat_reg[i] = regs[i] + stats_reg_set * sizeof(u64);
        }
}

/**
 * irdma_vsi_stats_init - Initialize the vsi statistics
 * @vsi: pointer to the vsi structure
 * @info: The info structure used for initialization
 */
int irdma_vsi_stats_init(struct irdma_sc_vsi *vsi,
                         struct irdma_vsi_stats_info *info)
{
        struct irdma_dma_mem *stats_buff_mem;

        vsi->pestat = info->pestat;
        vsi->pestat->hw = vsi->dev->hw;
        vsi->pestat->vsi = vsi;
        stats_buff_mem = &vsi->pestat->gather_info.stats_buff_mem;
        stats_buff_mem->size = ALIGN(IRDMA_GATHER_STATS_BUF_SIZE * 2, 1);
        stats_buff_mem->va = dma_alloc_coherent(vsi->pestat->hw->device,
                                                stats_buff_mem->size,
                                                &stats_buff_mem->pa,
                                                GFP_KERNEL);
        if (!stats_buff_mem->va)
                return -ENOMEM;

        vsi->pestat->gather_info.gather_stats_va = stats_buff_mem->va;
        vsi->pestat->gather_info.last_gather_stats_va =
                (void *)((uintptr_t)stats_buff_mem->va +
                         IRDMA_GATHER_STATS_BUF_SIZE);

        if (vsi->dev->hw_attrs.uk_attrs.hw_rev < IRDMA_GEN_3)
                irdma_hw_stats_start_timer(vsi);

        /* when stat allocation is not required default to fcn_id. */
        vsi->stats_idx = info->fcn_id;
        if (info->alloc_stats_inst) {
                u16 stats_idx = irdma_get_stats_idx(vsi);

                if (stats_idx != IRDMA_INVALID_STATS_IDX) {
                        vsi->stats_inst_alloc = true;
                        vsi->stats_idx = stats_idx;
                        vsi->pestat->gather_info.use_stats_inst = true;
                        vsi->pestat->gather_info.stats_inst_index = stats_idx;
                }
        }

        if (vsi->dev->hw_attrs.uk_attrs.hw_rev == IRDMA_GEN_1)
                irdma_hw_stats_init_gen1(vsi);

        return 0;
}

/**
 * irdma_vsi_stats_free - Free the vsi stats
 * @vsi: pointer to the vsi structure
 */
void irdma_vsi_stats_free(struct irdma_sc_vsi *vsi)
{
        struct irdma_stats_inst_info stats_info = {};
        struct irdma_sc_dev *dev = vsi->dev;
        u16 stats_idx = vsi->stats_idx;

        if (dev->hw_attrs.uk_attrs.hw_rev >= IRDMA_GEN_2) {
                if (vsi->stats_inst_alloc) {
                        stats_info.stats_idx = vsi->stats_idx;
                        irdma_cqp_stats_inst_cmd(vsi, IRDMA_OP_STATS_FREE,
                                                 &stats_info);
                }
        } else {
                if (vsi->stats_inst_alloc &&
                    stats_idx < vsi->dev->hw_attrs.max_stat_inst)
                        vsi->dev->stats_idx_array[stats_idx] = false;
        }

        if (!vsi->pestat)
                return;

        if (dev->hw_attrs.uk_attrs.hw_rev < IRDMA_GEN_3)
                irdma_hw_stats_stop_timer(vsi);
        dma_free_coherent(vsi->pestat->hw->device,
                          vsi->pestat->gather_info.stats_buff_mem.size,
                          vsi->pestat->gather_info.stats_buff_mem.va,
                          vsi->pestat->gather_info.stats_buff_mem.pa);
        vsi->pestat->gather_info.stats_buff_mem.va = NULL;
}

/**
 * irdma_get_encoded_wqe_size - given wq size, returns hardware encoded size
 * @wqsize: size of the wq (sq, rq) to encoded_size
 * @queue_type: queue type selected for the calculation algorithm
 */
u8 irdma_get_encoded_wqe_size(u32 wqsize, enum irdma_queue_type queue_type)
{
        u8 encoded_size = 0;

        if (queue_type == IRDMA_QUEUE_TYPE_SRQ) {
                /* Smallest SRQ size is 256B (8 quanta) that gets
                 * encoded to 0.
                 */
                encoded_size = ilog2(wqsize) - 3;

                return encoded_size;
        }
        /* cqp sq's hw coded value starts from 1 for size of 4
         * while it starts from 0 for qp' wq's.
         */
        if (queue_type == IRDMA_QUEUE_TYPE_CQP)
                encoded_size = 1;
        wqsize >>= 2;
        while (wqsize >>= 1)
                encoded_size++;

        return encoded_size;
}

/**
 * irdma_sc_gather_stats - collect the statistics
 * @cqp: struct for cqp hw
 * @info: gather stats info structure
 * @scratch: u64 saved to be used during cqp completion
 */
static int irdma_sc_gather_stats(struct irdma_sc_cqp *cqp,
                                 struct irdma_stats_gather_info *info,
                                 u64 scratch)
{
        __le64 *wqe;
        u64 temp;

        if (info->stats_buff_mem.size < IRDMA_GATHER_STATS_BUF_SIZE)
                return -ENOMEM;

        wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
        if (!wqe)
                return -ENOMEM;

        set_64bit_val(wqe, 40,
                      FIELD_PREP(IRDMA_CQPSQ_STATS_HMC_FCN_INDEX, info->hmc_fcn_index));
        set_64bit_val(wqe, 32, info->stats_buff_mem.pa);

        temp = FIELD_PREP(IRDMA_CQPSQ_STATS_WQEVALID, cqp->polarity) |
               FIELD_PREP(IRDMA_CQPSQ_STATS_USE_INST, info->use_stats_inst) |
               FIELD_PREP(IRDMA_CQPSQ_STATS_INST_INDEX,
                          info->stats_inst_index) |
               FIELD_PREP(IRDMA_CQPSQ_STATS_USE_HMC_FCN_INDEX,
                          info->use_hmc_fcn_index) |
               FIELD_PREP(IRDMA_CQPSQ_STATS_OP, IRDMA_CQP_OP_GATHER_STATS);
        dma_wmb(); /* make sure WQE is written before valid bit is set */

        set_64bit_val(wqe, 24, temp);

        print_hex_dump_debug("STATS: GATHER_STATS WQE", DUMP_PREFIX_OFFSET,
                             16, 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false);

        irdma_sc_cqp_post_sq(cqp);
        ibdev_dbg(to_ibdev(cqp->dev),
                  "STATS: CQP SQ head 0x%x tail 0x%x size 0x%x\n",
                  cqp->sq_ring.head, cqp->sq_ring.tail, cqp->sq_ring.size);

        return 0;
}

/**
 * irdma_sc_manage_stats_inst - allocate or free stats instance
 * @cqp: struct for cqp hw
 * @info: stats info structure
 * @alloc: alloc vs. delete flag
 * @scratch: u64 saved to be used during cqp completion
 */
static int irdma_sc_manage_stats_inst(struct irdma_sc_cqp *cqp,
                                      struct irdma_stats_inst_info *info,
                                      bool alloc, u64 scratch)
{
        __le64 *wqe;
        u64 temp;

        wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
        if (!wqe)
                return -ENOMEM;

        set_64bit_val(wqe, 40,
                      FIELD_PREP(IRDMA_CQPSQ_STATS_HMC_FCN_INDEX, info->hmc_fn_id));
        temp = FIELD_PREP(IRDMA_CQPSQ_STATS_WQEVALID, cqp->polarity) |
               FIELD_PREP(IRDMA_CQPSQ_STATS_ALLOC_INST, alloc) |
               FIELD_PREP(IRDMA_CQPSQ_STATS_USE_HMC_FCN_INDEX,
                          info->use_hmc_fcn_index) |
               FIELD_PREP(IRDMA_CQPSQ_STATS_INST_INDEX, info->stats_idx) |
               FIELD_PREP(IRDMA_CQPSQ_STATS_OP, IRDMA_CQP_OP_MANAGE_STATS);

        dma_wmb(); /* make sure WQE is written before valid bit is set */

        set_64bit_val(wqe, 24, temp);

        print_hex_dump_debug("WQE: MANAGE_STATS WQE", DUMP_PREFIX_OFFSET, 16,
                             8, wqe, IRDMA_CQP_WQE_SIZE * 8, false);

        irdma_sc_cqp_post_sq(cqp);
        return 0;
}

/**
 * irdma_sc_set_up_map - set the up map table
 * @cqp: struct for cqp hw
 * @info: User priority map info
 * @scratch: u64 saved to be used during cqp completion
 */
static int irdma_sc_set_up_map(struct irdma_sc_cqp *cqp,
                               struct irdma_up_info *info, u64 scratch)
{
        __le64 *wqe;
        u64 temp = 0;
        int i;

        wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
        if (!wqe)
                return -ENOMEM;

        for (i = 0; i < IRDMA_MAX_USER_PRIORITY; i++)
                temp |= (u64)info->map[i] << (i * 8);

        set_64bit_val(wqe, 0, temp);
        set_64bit_val(wqe, 40,
                      FIELD_PREP(IRDMA_CQPSQ_UP_CNPOVERRIDE, info->cnp_up_override) |
                      FIELD_PREP(IRDMA_CQPSQ_UP_HMCFCNIDX, info->hmc_fcn_idx));

        temp = FIELD_PREP(IRDMA_CQPSQ_UP_WQEVALID, cqp->polarity) |
               FIELD_PREP(IRDMA_CQPSQ_UP_USEVLAN, info->use_vlan) |
               FIELD_PREP(IRDMA_CQPSQ_UP_USEOVERRIDE,
                          info->use_cnp_up_override) |
               FIELD_PREP(IRDMA_CQPSQ_UP_OP, IRDMA_CQP_OP_UP_MAP);
        dma_wmb(); /* make sure WQE is written before valid bit is set */

        set_64bit_val(wqe, 24, temp);

        print_hex_dump_debug("WQE: UPMAP WQE", DUMP_PREFIX_OFFSET, 16, 8, wqe,
                             IRDMA_CQP_WQE_SIZE * 8, false);
        irdma_sc_cqp_post_sq(cqp);

        return 0;
}

/**
 * irdma_sc_manage_ws_node - create/modify/destroy WS node
 * @cqp: struct for cqp hw
 * @info: node info structure
 * @node_op: 0 for add 1 for modify, 2 for delete
 * @scratch: u64 saved to be used during cqp completion
 */
static int irdma_sc_manage_ws_node(struct irdma_sc_cqp *cqp,
                                   struct irdma_ws_node_info *info,
                                   enum irdma_ws_node_op node_op, u64 scratch)
{
        __le64 *wqe;
        u64 temp = 0;

        wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
        if (!wqe)
                return -ENOMEM;

        set_64bit_val(wqe, 32,
                      FIELD_PREP(IRDMA_CQPSQ_WS_VSI, info->vsi) |
                      FIELD_PREP(IRDMA_CQPSQ_WS_WEIGHT, info->weight));

        temp = FIELD_PREP(IRDMA_CQPSQ_WS_WQEVALID, cqp->polarity) |
               FIELD_PREP(IRDMA_CQPSQ_WS_NODEOP, node_op) |
               FIELD_PREP(IRDMA_CQPSQ_WS_ENABLENODE, info->enable) |
               FIELD_PREP(IRDMA_CQPSQ_WS_NODETYPE, info->type_leaf) |
               FIELD_PREP(IRDMA_CQPSQ_WS_PRIOTYPE, info->prio_type) |
               FIELD_PREP(IRDMA_CQPSQ_WS_TC, info->tc) |
               FIELD_PREP(IRDMA_CQPSQ_WS_OP, IRDMA_CQP_OP_WORK_SCHED_NODE) |
               FIELD_PREP(IRDMA_CQPSQ_WS_PARENTID, info->parent_id) |
               FIELD_PREP(IRDMA_CQPSQ_WS_NODEID, info->id);
        dma_wmb(); /* make sure WQE is written before valid bit is set */

        set_64bit_val(wqe, 24, temp);

        print_hex_dump_debug("WQE: MANAGE_WS WQE", DUMP_PREFIX_OFFSET, 16, 8,
                             wqe, IRDMA_CQP_WQE_SIZE * 8, false);
        irdma_sc_cqp_post_sq(cqp);

        return 0;
}

/**
 * irdma_sc_qp_flush_wqes - flush qp's wqe
 * @qp: sc qp
 * @info: dlush information
 * @scratch: u64 saved to be used during cqp completion
 * @post_sq: flag for cqp db to ring
 */
int irdma_sc_qp_flush_wqes(struct irdma_sc_qp *qp,
                           struct irdma_qp_flush_info *info, u64 scratch,
                           bool post_sq)
{
        u64 temp = 0;
        __le64 *wqe;
        struct irdma_sc_cqp *cqp;
        u64 hdr;
        bool flush_sq = false, flush_rq = false;

        if (info->rq && !qp->flush_rq)
                flush_rq = true;
        if (info->sq && !qp->flush_sq)
                flush_sq = true;
        qp->flush_sq |= flush_sq;
        qp->flush_rq |= flush_rq;

        if (!flush_sq && !flush_rq) {
                ibdev_dbg(to_ibdev(qp->dev),
                          "CQP: Additional flush request ignored for qp %x\n",
                          qp->qp_uk.qp_id);
                return -EALREADY;
        }

        cqp = qp->pd->dev->cqp;
        wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
        if (!wqe)
                return -ENOMEM;

        if (info->userflushcode) {
                if (flush_rq)
                        temp |= FIELD_PREP(IRDMA_CQPSQ_FWQE_RQMNERR,
                                           info->rq_minor_code) |
                                FIELD_PREP(IRDMA_CQPSQ_FWQE_RQMJERR,
                                           info->rq_major_code);
                if (flush_sq)
                        temp |= FIELD_PREP(IRDMA_CQPSQ_FWQE_SQMNERR,
                                           info->sq_minor_code) |
                                FIELD_PREP(IRDMA_CQPSQ_FWQE_SQMJERR,
                                           info->sq_major_code);
        }
        set_64bit_val(wqe, 16, temp);

        temp = (info->generate_ae) ?
                info->ae_code | FIELD_PREP(IRDMA_CQPSQ_FWQE_AESOURCE,
                                           info->ae_src) : 0;
        set_64bit_val(wqe, 8, temp);
        if (cqp->dev->hw_attrs.uk_attrs.hw_rev >= IRDMA_GEN_3) {
                set_64bit_val(wqe, 40,
                              FIELD_PREP(IRDMA_CQPSQ_FWQE_ERR_SQ_IDX, info->err_sq_idx));
                set_64bit_val(wqe, 48,
                              FIELD_PREP(IRDMA_CQPSQ_FWQE_ERR_RQ_IDX, info->err_rq_idx));
        }

        hdr = qp->qp_uk.qp_id |
              FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_FLUSH_WQES) |
              FIELD_PREP(IRDMA_CQPSQ_FWQE_GENERATE_AE, info->generate_ae) |
              FIELD_PREP(IRDMA_CQPSQ_FWQE_USERFLCODE, info->userflushcode) |
              FIELD_PREP(IRDMA_CQPSQ_FWQE_FLUSHSQ, flush_sq) |
              FIELD_PREP(IRDMA_CQPSQ_FWQE_FLUSHRQ, flush_rq) |
              FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
        if (cqp->dev->hw_attrs.uk_attrs.hw_rev >= IRDMA_GEN_3)
                hdr |= FIELD_PREP(IRDMA_CQPSQ_FWQE_ERR_SQ_IDX_VALID, info->err_sq_idx_valid) |
                       FIELD_PREP(IRDMA_CQPSQ_FWQE_ERR_RQ_IDX_VALID, info->err_rq_idx_valid);
        dma_wmb(); /* make sure WQE is written before valid bit is set */

        set_64bit_val(wqe, 24, hdr);

        print_hex_dump_debug("WQE: QP_FLUSH WQE", DUMP_PREFIX_OFFSET, 16, 8,
                             wqe, IRDMA_CQP_WQE_SIZE * 8, false);
        if (post_sq)
                irdma_sc_cqp_post_sq(cqp);

        return 0;
}

/**
 * irdma_sc_gen_ae - generate AE, uses flush WQE CQP OP
 * @qp: sc qp
 * @info: gen ae information
 * @scratch: u64 saved to be used during cqp completion
 * @post_sq: flag for cqp db to ring
 */
static int irdma_sc_gen_ae(struct irdma_sc_qp *qp,
                           struct irdma_gen_ae_info *info, u64 scratch,
                           bool post_sq)
{
        u64 temp;
        __le64 *wqe;
        struct irdma_sc_cqp *cqp;
        u64 hdr;

        cqp = qp->pd->dev->cqp;
        wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
        if (!wqe)
                return -ENOMEM;

        temp = info->ae_code | FIELD_PREP(IRDMA_CQPSQ_FWQE_AESOURCE,
                                          info->ae_src);
        set_64bit_val(wqe, 8, temp);

        hdr = qp->qp_uk.qp_id | FIELD_PREP(IRDMA_CQPSQ_OPCODE,
                                           IRDMA_CQP_OP_GEN_AE) |
              FIELD_PREP(IRDMA_CQPSQ_FWQE_GENERATE_AE, 1) |
              FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
        dma_wmb(); /* make sure WQE is written before valid bit is set */

        set_64bit_val(wqe, 24, hdr);

        print_hex_dump_debug("WQE: GEN_AE WQE", DUMP_PREFIX_OFFSET, 16, 8,
                             wqe, IRDMA_CQP_WQE_SIZE * 8, false);
        if (post_sq)
                irdma_sc_cqp_post_sq(cqp);

        return 0;
}

/*** irdma_sc_qp_upload_context - upload qp's context
 * @dev: sc device struct
 * @info: upload context info ptr for return
 * @scratch: u64 saved to be used during cqp completion
 * @post_sq: flag for cqp db to ring
 */
static int irdma_sc_qp_upload_context(struct irdma_sc_dev *dev,
                                      struct irdma_upload_context_info *info,
                                      u64 scratch, bool post_sq)
{
        __le64 *wqe;
        struct irdma_sc_cqp *cqp;
        u64 hdr;

        cqp = dev->cqp;
        wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
        if (!wqe)
                return -ENOMEM;

        set_64bit_val(wqe, 16, info->buf_pa);

        hdr = FIELD_PREP(IRDMA_CQPSQ_UCTX_QPID, info->qp_id) |
              FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_UPLOAD_CONTEXT) |
              FIELD_PREP(IRDMA_CQPSQ_UCTX_QPTYPE, info->qp_type) |
              FIELD_PREP(IRDMA_CQPSQ_UCTX_RAWFORMAT, info->raw_format) |
              FIELD_PREP(IRDMA_CQPSQ_UCTX_FREEZEQP, info->freeze_qp) |
              FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
        dma_wmb(); /* make sure WQE is written before valid bit is set */

        set_64bit_val(wqe, 24, hdr);

        print_hex_dump_debug("WQE: QP_UPLOAD_CTX WQE", DUMP_PREFIX_OFFSET, 16,
                             8, wqe, IRDMA_CQP_WQE_SIZE * 8, false);
        if (post_sq)
                irdma_sc_cqp_post_sq(cqp);

        return 0;
}

/**
 * irdma_sc_manage_push_page - Handle push page
 * @cqp: struct for cqp hw
 * @info: push page info
 * @scratch: u64 saved to be used during cqp completion
 * @post_sq: flag for cqp db to ring
 */
static int irdma_sc_manage_push_page(struct irdma_sc_cqp *cqp,
                                     struct irdma_cqp_manage_push_page_info *info,
                                     u64 scratch, bool post_sq)
{
        __le64 *wqe;
        u64 hdr;

        if (info->free_page &&
            info->push_idx >= cqp->dev->hw_attrs.max_hw_device_pages)
                return -EINVAL;

        wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
        if (!wqe)
                return -ENOMEM;

        set_64bit_val(wqe, 16, info->qs_handle);
        hdr = FIELD_PREP(IRDMA_CQPSQ_MPP_PPIDX, info->push_idx) |
              FIELD_PREP(IRDMA_CQPSQ_MPP_PPTYPE, info->push_page_type) |
              FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_MANAGE_PUSH_PAGES) |
              FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity) |
              FIELD_PREP(IRDMA_CQPSQ_MPP_FREE_PAGE, info->free_page);
        dma_wmb(); /* make sure WQE is written before valid bit is set */

        set_64bit_val(wqe, 24, hdr);

        print_hex_dump_debug("WQE: MANAGE_PUSH_PAGES WQE", DUMP_PREFIX_OFFSET,
                             16, 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false);
        if (post_sq)
                irdma_sc_cqp_post_sq(cqp);

        return 0;
}

/**
 * irdma_sc_suspend_qp - suspend qp for param change
 * @cqp: struct for cqp hw
 * @qp: sc qp struct
 * @scratch: u64 saved to be used during cqp completion
 */
static int irdma_sc_suspend_qp(struct irdma_sc_cqp *cqp, struct irdma_sc_qp *qp,
                               u64 scratch)
{
        u64 hdr;
        __le64 *wqe;

        wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
        if (!wqe)
                return -ENOMEM;

        hdr = FIELD_PREP(IRDMA_CQPSQ_SUSPENDQP_QPID, qp->qp_uk.qp_id) |
              FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_SUSPEND_QP) |
              FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
        dma_wmb(); /* make sure WQE is written before valid bit is set */

        set_64bit_val(wqe, 24, hdr);

        print_hex_dump_debug("WQE: SUSPEND_QP WQE", DUMP_PREFIX_OFFSET, 16, 8,
                             wqe, IRDMA_CQP_WQE_SIZE * 8, false);
        irdma_sc_cqp_post_sq(cqp);

        return 0;
}

/**
 * irdma_sc_resume_qp - resume qp after suspend
 * @cqp: struct for cqp hw
 * @qp: sc qp struct
 * @scratch: u64 saved to be used during cqp completion
 */
static int irdma_sc_resume_qp(struct irdma_sc_cqp *cqp, struct irdma_sc_qp *qp,
                              u64 scratch)
{
        u64 hdr;
        __le64 *wqe;

        wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
        if (!wqe)
                return -ENOMEM;

        set_64bit_val(wqe, 16,
                      FIELD_PREP(IRDMA_CQPSQ_RESUMEQP_QSHANDLE, qp->qs_handle));

        hdr = FIELD_PREP(IRDMA_CQPSQ_RESUMEQP_QPID, qp->qp_uk.qp_id) |
              FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_RESUME_QP) |
              FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
        dma_wmb(); /* make sure WQE is written before valid bit is set */

        set_64bit_val(wqe, 24, hdr);

        print_hex_dump_debug("WQE: RESUME_QP WQE", DUMP_PREFIX_OFFSET, 16, 8,
                             wqe, IRDMA_CQP_WQE_SIZE * 8, false);
        irdma_sc_cqp_post_sq(cqp);

        return 0;
}

/**
 * irdma_sc_cq_init - initialize completion q
 * @cq: cq struct
 * @info: cq initialization info
 */
int irdma_sc_cq_init(struct irdma_sc_cq *cq, struct irdma_cq_init_info *info)
{
        u32 pble_obj_cnt;

        pble_obj_cnt = info->dev->hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].cnt;
        if (info->virtual_map && info->first_pm_pbl_idx >= pble_obj_cnt)
                return -EINVAL;

        cq->cq_pa = info->cq_base_pa;
        cq->dev = info->dev;
        cq->ceq_id = info->ceq_id;
        info->cq_uk_init_info.cqe_alloc_db = cq->dev->cq_arm_db;
        info->cq_uk_init_info.cq_ack_db = cq->dev->cq_ack_db;
        irdma_uk_cq_init(&cq->cq_uk, &info->cq_uk_init_info);

        cq->virtual_map = info->virtual_map;
        cq->pbl_chunk_size = info->pbl_chunk_size;
        cq->ceqe_mask = info->ceqe_mask;
        cq->cq_type = (info->type) ? info->type : IRDMA_CQ_TYPE_IWARP;
        cq->shadow_area_pa = info->shadow_area_pa;
        cq->shadow_read_threshold = info->shadow_read_threshold;
        cq->ceq_id_valid = info->ceq_id_valid;
        cq->tph_en = info->tph_en;
        cq->tph_val = info->tph_val;
        cq->first_pm_pbl_idx = info->first_pm_pbl_idx;
        cq->vsi = info->vsi;

        return 0;
}

/**
 * irdma_sc_cq_create - create completion q
 * @cq: cq struct
 * @scratch: u64 saved to be used during cqp completion
 * @check_overflow: flag for overflow check
 * @post_sq: flag for cqp db to ring
 */
static int irdma_sc_cq_create(struct irdma_sc_cq *cq, u64 scratch,
                              bool check_overflow, bool post_sq)
{
        __le64 *wqe;
        struct irdma_sc_cqp *cqp;
        u64 hdr;

        cqp = cq->dev->cqp;
        if (cq->cq_uk.cq_id >= cqp->dev->hmc_info->hmc_obj[IRDMA_HMC_IW_CQ].max_cnt)
                return -EINVAL;

        if (cq->ceq_id >= cq->dev->hmc_fpm_misc.max_ceqs)
                return -EINVAL;

        wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
        if (!wqe)
                return -ENOMEM;

        set_64bit_val(wqe, 0, cq->cq_uk.cq_size);
        set_64bit_val(wqe, 8, cq->cq_uk.cq_id);
        set_64bit_val(wqe, 16,
                      FIELD_PREP(IRDMA_CQPSQ_CQ_SHADOW_READ_THRESHOLD, cq->shadow_read_threshold));
        set_64bit_val(wqe, 32, (cq->virtual_map ? 0 : cq->cq_pa));
        set_64bit_val(wqe, 40, cq->shadow_area_pa);
        set_64bit_val(wqe, 48,
                      FIELD_PREP(IRDMA_CQPSQ_CQ_FIRSTPMPBLIDX, (cq->virtual_map ? cq->first_pm_pbl_idx : 0)));
        set_64bit_val(wqe, 56,
                      FIELD_PREP(IRDMA_CQPSQ_TPHVAL, cq->tph_val) |
                      FIELD_PREP(IRDMA_CQPSQ_VSIIDX, cq->vsi->vsi_idx));

        hdr = FLD_LS_64(cq->dev, cq->cq_uk.cq_id, IRDMA_CQPSQ_CQ_CQID) |
              FLD_LS_64(cq->dev, (cq->ceq_id_valid ? cq->ceq_id : 0),
                        IRDMA_CQPSQ_CQ_CEQID) |
              FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_CREATE_CQ) |
              FIELD_PREP(IRDMA_CQPSQ_CQ_LPBLSIZE, cq->pbl_chunk_size) |
              FIELD_PREP(IRDMA_CQPSQ_CQ_CHKOVERFLOW, check_overflow) |
              FIELD_PREP(IRDMA_CQPSQ_CQ_VIRTMAP, cq->virtual_map) |
              FIELD_PREP(IRDMA_CQPSQ_CQ_CQID_HIGH, cq->cq_uk.cq_id >> 22) |
              FIELD_PREP(IRDMA_CQPSQ_CQ_CEQID_HIGH,
                         (cq->ceq_id_valid ? cq->ceq_id : 0) >> 10) |
              FIELD_PREP(IRDMA_CQPSQ_CQ_ENCEQEMASK, cq->ceqe_mask) |
              FIELD_PREP(IRDMA_CQPSQ_CQ_CEQIDVALID, cq->ceq_id_valid) |
              FIELD_PREP(IRDMA_CQPSQ_TPHEN, cq->tph_en) |
              FIELD_PREP(IRDMA_CQPSQ_CQ_AVOIDMEMCNFLCT,
                         cq->cq_uk.avoid_mem_cflct) |
              FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
        dma_wmb(); /* make sure WQE is written before valid bit is set */

        set_64bit_val(wqe, 24, hdr);

        print_hex_dump_debug("WQE: CQ_CREATE WQE", DUMP_PREFIX_OFFSET, 16, 8,
                             wqe, IRDMA_CQP_WQE_SIZE * 8, false);
        if (post_sq)
                irdma_sc_cqp_post_sq(cqp);

        return 0;
}

/**
 * irdma_sc_cq_destroy - destroy completion q
 * @cq: cq struct
 * @scratch: u64 saved to be used during cqp completion
 * @post_sq: flag for cqp db to ring
 */
int irdma_sc_cq_destroy(struct irdma_sc_cq *cq, u64 scratch, bool post_sq)
{
        struct irdma_sc_cqp *cqp;
        __le64 *wqe;
        u64 hdr;

        cqp = cq->dev->cqp;
        wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
        if (!wqe)
                return -ENOMEM;

        set_64bit_val(wqe, 0, cq->cq_uk.cq_size);
        set_64bit_val(wqe, 8, cq->cq_uk.cq_id);
        set_64bit_val(wqe, 40, cq->shadow_area_pa);
        set_64bit_val(wqe, 48,
                      (cq->virtual_map ? cq->first_pm_pbl_idx : 0));

        hdr = cq->cq_uk.cq_id |
              FLD_LS_64(cq->dev, (cq->ceq_id_valid ? cq->ceq_id : 0),
                        IRDMA_CQPSQ_CQ_CEQID) |
              FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_DESTROY_CQ) |
              FIELD_PREP(IRDMA_CQPSQ_CQ_LPBLSIZE, cq->pbl_chunk_size) |
              FIELD_PREP(IRDMA_CQPSQ_CQ_VIRTMAP, cq->virtual_map) |
              FIELD_PREP(IRDMA_CQPSQ_CQ_ENCEQEMASK, cq->ceqe_mask) |
              FIELD_PREP(IRDMA_CQPSQ_CQ_CEQIDVALID, cq->ceq_id_valid) |
              FIELD_PREP(IRDMA_CQPSQ_TPHEN, cq->tph_en) |
              FIELD_PREP(IRDMA_CQPSQ_CQ_AVOIDMEMCNFLCT, cq->cq_uk.avoid_mem_cflct) |
              FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
        dma_wmb(); /* make sure WQE is written before valid bit is set */

        set_64bit_val(wqe, 24, hdr);

        print_hex_dump_debug("WQE: CQ_DESTROY WQE", DUMP_PREFIX_OFFSET, 16, 8,
                             wqe, IRDMA_CQP_WQE_SIZE * 8, false);
        if (post_sq)
                irdma_sc_cqp_post_sq(cqp);

        return 0;
}

/**
 * irdma_sc_cq_resize - set resized cq buffer info
 * @cq: resized cq
 * @info: resized cq buffer info
 */
void irdma_sc_cq_resize(struct irdma_sc_cq *cq, struct irdma_modify_cq_info *info)
{
        cq->virtual_map = info->virtual_map;
        cq->cq_pa = info->cq_pa;
        cq->first_pm_pbl_idx = info->first_pm_pbl_idx;
        cq->pbl_chunk_size = info->pbl_chunk_size;
        irdma_uk_cq_resize(&cq->cq_uk, info->cq_base, info->cq_size);
}

/**
 * irdma_sc_cq_modify - modify a Completion Queue
 * @cq: cq struct
 * @info: modification info struct
 * @scratch: u64 saved to be used during cqp completion
 * @post_sq: flag to post to sq
 */
static int irdma_sc_cq_modify(struct irdma_sc_cq *cq,
                              struct irdma_modify_cq_info *info, u64 scratch,
                              bool post_sq)
{
        struct irdma_sc_cqp *cqp;
        __le64 *wqe;
        u64 hdr;
        u32 pble_obj_cnt;

        pble_obj_cnt = cq->dev->hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].cnt;
        if (info->cq_resize && info->virtual_map &&
            info->first_pm_pbl_idx >= pble_obj_cnt)
                return -EINVAL;

        cqp = cq->dev->cqp;
        wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
        if (!wqe)
                return -ENOMEM;

        set_64bit_val(wqe, 0, info->cq_size);
        set_64bit_val(wqe, 8, cq->cq_uk.cq_id);
        set_64bit_val(wqe, 16,
                      FIELD_PREP(IRDMA_CQPSQ_CQ_SHADOW_READ_THRESHOLD, info->shadow_read_threshold));
        set_64bit_val(wqe, 32, info->cq_pa);
        set_64bit_val(wqe, 40, cq->shadow_area_pa);
        set_64bit_val(wqe, 48, info->first_pm_pbl_idx);
        set_64bit_val(wqe, 56,
                      FIELD_PREP(IRDMA_CQPSQ_TPHVAL, cq->tph_val) |
                      FIELD_PREP(IRDMA_CQPSQ_VSIIDX, cq->vsi->vsi_idx));

        hdr = cq->cq_uk.cq_id |
              FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_MODIFY_CQ) |
              FIELD_PREP(IRDMA_CQPSQ_CQ_CQRESIZE, info->cq_resize) |
              FIELD_PREP(IRDMA_CQPSQ_CQ_LPBLSIZE, info->pbl_chunk_size) |
              FIELD_PREP(IRDMA_CQPSQ_CQ_CHKOVERFLOW, info->check_overflow) |
              FIELD_PREP(IRDMA_CQPSQ_CQ_VIRTMAP, info->virtual_map) |
              FIELD_PREP(IRDMA_CQPSQ_CQ_ENCEQEMASK, cq->ceqe_mask) |
              FIELD_PREP(IRDMA_CQPSQ_TPHEN, cq->tph_en) |
              FIELD_PREP(IRDMA_CQPSQ_CQ_AVOIDMEMCNFLCT,
                         cq->cq_uk.avoid_mem_cflct) |
              FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
        dma_wmb(); /* make sure WQE is written before valid bit is set */

        set_64bit_val(wqe, 24, hdr);

        print_hex_dump_debug("WQE: CQ_MODIFY WQE", DUMP_PREFIX_OFFSET, 16, 8,
                             wqe, IRDMA_CQP_WQE_SIZE * 8, false);
        if (post_sq)
                irdma_sc_cqp_post_sq(cqp);

        return 0;
}

/**
 * irdma_sc_get_decoded_ird_size_gen_3 - get decoded IRD size for GEN 3
 * @ird_enc: IRD encoding
 * IRD size defaults to a value of 4 in case of invalid input.
 */
static u16 irdma_sc_get_decoded_ird_size_gen_3(u8 ird_enc)
{
        switch (ird_enc) {
        case IRDMA_IRD_HW_SIZE_4096_GEN3:
                return 4096;
        case IRDMA_IRD_HW_SIZE_2048_GEN3:
                return 2048;
        case IRDMA_IRD_HW_SIZE_1024_GEN3:
                return 1024;
        case IRDMA_IRD_HW_SIZE_512_GEN3:
                return 512;
        case IRDMA_IRD_HW_SIZE_256_GEN3:
                return 256;
        case IRDMA_IRD_HW_SIZE_128_GEN3:
                return 128;
        case IRDMA_IRD_HW_SIZE_64_GEN3:
                return 64;
        case IRDMA_IRD_HW_SIZE_32_GEN3:
                return 32;
        case IRDMA_IRD_HW_SIZE_16_GEN3:
                return 16;
        case IRDMA_IRD_HW_SIZE_8_GEN3:
                return 8;
        case IRDMA_IRD_HW_SIZE_4_GEN3:
                return 4;
        default:
                return 4;
        }
}

/**
 * irdma_check_cqp_progress - check cqp processing progress
 * @timeout: timeout info struct
 * @dev: sc device struct
 */
void irdma_check_cqp_progress(struct irdma_cqp_timeout *timeout, struct irdma_sc_dev *dev)
{
        u64 completed_ops = atomic64_read(&dev->cqp->completed_ops);

        if (timeout->compl_cqp_cmds != completed_ops) {
                timeout->compl_cqp_cmds = completed_ops;
                timeout->count = 0;
        } else if (timeout->compl_cqp_cmds != dev->cqp->requested_ops) {
                timeout->count++;
        }
}

/**
 * irdma_get_cqp_reg_info - get head and tail for cqp using registers
 * @cqp: struct for cqp hw
 * @val: cqp tail register value
 * @tail: wqtail register value
 * @error: cqp processing err
 */
static inline void irdma_get_cqp_reg_info(struct irdma_sc_cqp *cqp, u32 *val,
                                          u32 *tail, u32 *error)
{
        *val = readl(cqp->dev->hw_regs[IRDMA_CQPTAIL]);
        *tail = FIELD_GET(IRDMA_CQPTAIL_WQTAIL, *val);
        *error = FIELD_GET(IRDMA_CQPTAIL_CQP_OP_ERR, *val);
}

/**
 * irdma_sc_cqp_def_cmpl_ae_handler - remove completed requests from pending list
 * @dev: sc device struct
 * @info: AE entry info
 * @first: true if this is the first call to this handler for given AEQE
 * @scratch: (out) scratch entry pointer
 * @sw_def_info: (in/out) SW ticket value for this AE
 *
 * In case of AE_DEF_CMPL event, this function should be called in a loop
 * until it returns NULL-ptr via scratch.
 * For each call, it looks for a matching CQP request on pending list,
 * removes it from the list and returns the pointer to the associated scratch
 * entry.
 * If this is the first call to this function for given AEQE, sw_def_info
 * value is not used to find matching requests.  Instead, it is populated
 * with the value from the first matching cqp_request on the list.
 * For subsequent calls, ooo_op->sw_def_info need to match the value passed
 * by a caller.
 *
 * Return: scratch entry pointer for cqp_request to be released or NULL
 * if no matching request is found.
 */
void irdma_sc_cqp_def_cmpl_ae_handler(struct irdma_sc_dev *dev,
                                      struct irdma_aeqe_info *info,
                                      bool first, u64 *scratch,
                                      u32 *sw_def_info)
{
        struct irdma_ooo_cqp_op *ooo_op;
        unsigned long flags;

        *scratch = 0;

        spin_lock_irqsave(&dev->cqp->ooo_list_lock, flags);
        list_for_each_entry(ooo_op, &dev->cqp->ooo_pnd, list_entry) {
                if (ooo_op->deferred &&
                    ((first && ooo_op->def_info == info->def_info) ||
                     (!first && ooo_op->sw_def_info == *sw_def_info))) {
                        *sw_def_info = ooo_op->sw_def_info;
                        *scratch = ooo_op->scratch;

                        list_move(&ooo_op->list_entry, &dev->cqp->ooo_avail);
                        atomic64_inc(&dev->cqp->completed_ops);

                        break;
                }
        }
        spin_unlock_irqrestore(&dev->cqp->ooo_list_lock, flags);

        if (first && !*scratch)
                ibdev_dbg(to_ibdev(dev),
                          "AEQ: deferred completion with unknown ticket: def_info 0x%x\n",
                           info->def_info);
}

/**
 * irdma_sc_cqp_cleanup_handler - remove requests from pending list
 * @dev: sc device struct
 *
 * This function should be called in a loop from irdma_cleanup_pending_cqp_op.
 * For each call, it returns first CQP request on pending list, removes it
 * from the list and returns the pointer to the associated scratch entry.
 *
 * Return: scratch entry pointer for cqp_request to be released or NULL
 * if pending list is empty.
 */
u64 irdma_sc_cqp_cleanup_handler(struct irdma_sc_dev *dev)
{
        struct irdma_ooo_cqp_op *ooo_op;
        u64 scratch = 0;

        list_for_each_entry(ooo_op, &dev->cqp->ooo_pnd, list_entry) {
                scratch = ooo_op->scratch;

                list_del(&ooo_op->list_entry);
                list_add(&ooo_op->list_entry, &dev->cqp->ooo_avail);
                atomic64_inc(&dev->cqp->completed_ops);

                break;
        }

        return scratch;
}

/**
 * irdma_cqp_poll_registers - poll cqp registers
 * @cqp: struct for cqp hw
 * @tail: wqtail register value
 * @count: how many times to try for completion
 */
static int irdma_cqp_poll_registers(struct irdma_sc_cqp *cqp, u32 tail,
                                    u32 count)
{
        u32 i = 0;
        u32 newtail, error, val;

        while (i++ < count) {
                irdma_get_cqp_reg_info(cqp, &val, &newtail, &error);
                if (error) {
                        error = readl(cqp->dev->hw_regs[IRDMA_CQPERRCODES]);
                        ibdev_dbg(to_ibdev(cqp->dev),
                                  "CQP: CQPERRCODES error_code[x%08X]\n",
                                  error);
                        return -EIO;
                }
                if (newtail != tail) {
                        /* SUCCESS */
                        IRDMA_RING_MOVE_TAIL(cqp->sq_ring);
                        atomic64_inc(&cqp->completed_ops);
                        return 0;
                }
                udelay(cqp->dev->hw_attrs.max_sleep_count);
        }

        return -ETIMEDOUT;
}

/**
 * irdma_sc_decode_fpm_commit - decode a 64 bit value into count and base
 * @dev: sc device struct
 * @buf: pointer to commit buffer
 * @buf_idx: buffer index
 * @obj_info: object info pointer
 * @rsrc_idx: indexs of memory resource
 */
static u64 irdma_sc_decode_fpm_commit(struct irdma_sc_dev *dev, __le64 *buf,
                                      u32 buf_idx, struct irdma_hmc_obj_info *obj_info,
                                      u32 rsrc_idx)
{
        u64 temp;

        get_64bit_val(buf, buf_idx, &temp);

        switch (rsrc_idx) {
        case IRDMA_HMC_IW_QP:
                obj_info[rsrc_idx].cnt = (u32)FIELD_GET(IRDMA_COMMIT_FPM_QPCNT, temp);
                break;
        case IRDMA_HMC_IW_CQ:
                obj_info[rsrc_idx].cnt = (u32)FLD_RS_64(dev, temp, IRDMA_COMMIT_FPM_CQCNT);
                break;
        case IRDMA_HMC_IW_APBVT_ENTRY:
                if (dev->hw_attrs.uk_attrs.hw_rev <= IRDMA_GEN_2)
                        obj_info[rsrc_idx].cnt = 1;
                else
                        obj_info[rsrc_idx].cnt = 0;
                break;
        default:
                obj_info[rsrc_idx].cnt = (u32)temp;
                break;
        }

        obj_info[rsrc_idx].base = (temp >> IRDMA_COMMIT_FPM_BASE_S) * 512;

        return temp;
}

/**
 * irdma_sc_parse_fpm_commit_buf - parse fpm commit buffer
 * @dev: pointer to dev struct
 * @buf: ptr to fpm commit buffer
 * @info: ptr to irdma_hmc_obj_info struct
 * @sd: number of SDs for HMC objects
 *
 * parses fpm commit info and copy base value
 * of hmc objects in hmc_info
 */
static void
irdma_sc_parse_fpm_commit_buf(struct irdma_sc_dev *dev, __le64 *buf,
                              struct irdma_hmc_obj_info *info, u32 *sd)
{
        u64 size;
        u32 i;
        u64 max_base = 0;
        u32 last_hmc_obj = 0;

        irdma_sc_decode_fpm_commit(dev, buf, 0, info,
                                   IRDMA_HMC_IW_QP);
        irdma_sc_decode_fpm_commit(dev, buf, 8, info,
                                   IRDMA_HMC_IW_CQ);
        irdma_sc_decode_fpm_commit(dev, buf, 16, info,
                                   IRDMA_HMC_IW_SRQ);
        irdma_sc_decode_fpm_commit(dev, buf, 24, info,
                                   IRDMA_HMC_IW_HTE);
        irdma_sc_decode_fpm_commit(dev, buf, 32, info,
                                   IRDMA_HMC_IW_ARP);
        irdma_sc_decode_fpm_commit(dev, buf, 40, info,
                                   IRDMA_HMC_IW_APBVT_ENTRY);
        irdma_sc_decode_fpm_commit(dev, buf, 48, info,
                                   IRDMA_HMC_IW_MR);
        irdma_sc_decode_fpm_commit(dev, buf, 56, info,
                                   IRDMA_HMC_IW_XF);
        irdma_sc_decode_fpm_commit(dev, buf, 64, info,
                                   IRDMA_HMC_IW_XFFL);
        irdma_sc_decode_fpm_commit(dev, buf, 72, info,
                                   IRDMA_HMC_IW_Q1);
        irdma_sc_decode_fpm_commit(dev, buf, 80, info,
                                   IRDMA_HMC_IW_Q1FL);
        irdma_sc_decode_fpm_commit(dev, buf, 88, info,
                                   IRDMA_HMC_IW_TIMER);
        irdma_sc_decode_fpm_commit(dev, buf, 112, info,
                                   IRDMA_HMC_IW_PBLE);
        /* skipping RSVD. */
        if (dev->hw_attrs.uk_attrs.hw_rev != IRDMA_GEN_1) {
                irdma_sc_decode_fpm_commit(dev, buf, 96, info,
                                           IRDMA_HMC_IW_FSIMC);
                irdma_sc_decode_fpm_commit(dev, buf, 104, info,
                                           IRDMA_HMC_IW_FSIAV);
                irdma_sc_decode_fpm_commit(dev, buf, 128, info,
                                           IRDMA_HMC_IW_RRF);
                irdma_sc_decode_fpm_commit(dev, buf, 136, info,
                                           IRDMA_HMC_IW_RRFFL);
                irdma_sc_decode_fpm_commit(dev, buf, 144, info,
                                           IRDMA_HMC_IW_HDR);
                irdma_sc_decode_fpm_commit(dev, buf, 152, info,
                                           IRDMA_HMC_IW_MD);
                if (dev->cqp->protocol_used == IRDMA_IWARP_PROTOCOL_ONLY) {
                        irdma_sc_decode_fpm_commit(dev, buf, 160, info,
                                                   IRDMA_HMC_IW_OOISC);
                        irdma_sc_decode_fpm_commit(dev, buf, 168, info,
                                                   IRDMA_HMC_IW_OOISCFFL);
                }
        }

        /* searching for the last object in HMC to find the size of the HMC area. */
        for (i = IRDMA_HMC_IW_QP; i < IRDMA_HMC_IW_MAX; i++) {
                if (info[i].base > max_base && info[i].cnt) {
                        max_base = info[i].base;
                        last_hmc_obj = i;
                }
        }

        size = info[last_hmc_obj].cnt * info[last_hmc_obj].size +
               info[last_hmc_obj].base;

        if (size & 0x1FFFFF)
                *sd = (u32)((size >> 21) + 1); /* add 1 for remainder */
        else
                *sd = (u32)(size >> 21);

}

/**
 * irdma_sc_decode_fpm_query() - Decode a 64 bit value into max count and size
 * @buf: ptr to fpm query buffer
 * @buf_idx: index into buf
 * @obj_info: ptr to irdma_hmc_obj_info struct
 * @rsrc_idx: resource index into info
 *
 * Decode a 64 bit value from fpm query buffer into max count and size
 */
static u64 irdma_sc_decode_fpm_query(__le64 *buf, u32 buf_idx,
                                     struct irdma_hmc_obj_info *obj_info,
                                     u32 rsrc_idx)
{
        u64 temp;
        u32 size;

        get_64bit_val(buf, buf_idx, &temp);
        obj_info[rsrc_idx].max_cnt = (u32)temp;
        size = (u32)(temp >> 32);
        obj_info[rsrc_idx].size = BIT_ULL(size);

        return temp;
}

/**
 * irdma_sc_parse_fpm_query_buf() - parses fpm query buffer
 * @dev: ptr to shared code device
 * @buf: ptr to fpm query buffer
 * @hmc_info: ptr to irdma_hmc_obj_info struct
 * @hmc_fpm_misc: ptr to fpm data
 *
 * parses fpm query buffer and copy max_cnt and
 * size value of hmc objects in hmc_info
 */
static int irdma_sc_parse_fpm_query_buf(struct irdma_sc_dev *dev, __le64 *buf,
                                        struct irdma_hmc_info *hmc_info,
                                        struct irdma_hmc_fpm_misc *hmc_fpm_misc)
{
        struct irdma_hmc_obj_info *obj_info;
        u8 ird_encoding;
        u64 temp;
        u32 size;
        u16 max_pe_sds;

        obj_info = hmc_info->hmc_obj;

        get_64bit_val(buf, 0, &temp);
        hmc_info->first_sd_index = (u16)FIELD_GET(IRDMA_QUERY_FPM_FIRST_PE_SD_INDEX, temp);

        if (dev->hw_attrs.uk_attrs.hw_rev >= IRDMA_GEN_3)
                max_pe_sds = (u16)FIELD_GET(IRDMA_QUERY_FPM_MAX_PE_SDS_GEN3, temp);
        else
                max_pe_sds = (u16)FIELD_GET(IRDMA_QUERY_FPM_MAX_PE_SDS, temp);

        /* Reduce SD count for unprivleged functions by 1 to account for PBLE
         * backing page rounding
         */
        if (dev->hw_attrs.uk_attrs.hw_rev <= IRDMA_GEN_2 &&
            (hmc_info->hmc_fn_id >= dev->hw_attrs.first_hw_vf_fpm_id ||
            !dev->privileged))
                max_pe_sds--;

        hmc_fpm_misc->max_sds = max_pe_sds;
        hmc_info->sd_table.sd_cnt = max_pe_sds + hmc_info->first_sd_index;
        get_64bit_val(buf, 8, &temp);
        obj_info[IRDMA_HMC_IW_QP].max_cnt = (u32)FIELD_GET(IRDMA_QUERY_FPM_MAX_QPS, temp);
        size = (u32)(temp >> 32);
        obj_info[IRDMA_HMC_IW_QP].size = BIT_ULL(size);

        get_64bit_val(buf, 16, &temp);
        obj_info[IRDMA_HMC_IW_CQ].max_cnt = (u32)FIELD_GET(IRDMA_QUERY_FPM_MAX_CQS, temp);
        size = (u32)(temp >> 32);
        obj_info[IRDMA_HMC_IW_CQ].size = BIT_ULL(size);

        irdma_sc_decode_fpm_query(buf, 24, obj_info, IRDMA_HMC_IW_SRQ);
        irdma_sc_decode_fpm_query(buf, 32, obj_info, IRDMA_HMC_IW_HTE);
        irdma_sc_decode_fpm_query(buf, 40, obj_info, IRDMA_HMC_IW_ARP);

        if (dev->hw_attrs.uk_attrs.hw_rev >= IRDMA_GEN_3) {
                obj_info[IRDMA_HMC_IW_APBVT_ENTRY].size = 0;
                obj_info[IRDMA_HMC_IW_APBVT_ENTRY].max_cnt = 0;
        } else {
                obj_info[IRDMA_HMC_IW_APBVT_ENTRY].size = 8192;
                obj_info[IRDMA_HMC_IW_APBVT_ENTRY].max_cnt = 1;
        }

        irdma_sc_decode_fpm_query(buf, 48, obj_info, IRDMA_HMC_IW_MR);
        irdma_sc_decode_fpm_query(buf, 56, obj_info, IRDMA_HMC_IW_XF);

        get_64bit_val(buf, 64, &temp);
        obj_info[IRDMA_HMC_IW_XFFL].max_cnt = (u32)temp;
        obj_info[IRDMA_HMC_IW_XFFL].size = 4;
        hmc_fpm_misc->xf_block_size = FIELD_GET(IRDMA_QUERY_FPM_XFBLOCKSIZE, temp);
        if (obj_info[IRDMA_HMC_IW_XF].max_cnt && !hmc_fpm_misc->xf_block_size)
                return -EINVAL;

        irdma_sc_decode_fpm_query(buf, 72, obj_info, IRDMA_HMC_IW_Q1);
        get_64bit_val(buf, 80, &temp);
        obj_info[IRDMA_HMC_IW_Q1FL].max_cnt = (u32)temp;
        obj_info[IRDMA_HMC_IW_Q1FL].size = 4;

        hmc_fpm_misc->q1_block_size = FIELD_GET(IRDMA_QUERY_FPM_Q1BLOCKSIZE, temp);
        if (!hmc_fpm_misc->q1_block_size)
                return -EINVAL;

        irdma_sc_decode_fpm_query(buf, 88, obj_info, IRDMA_HMC_IW_TIMER);

        get_64bit_val(buf, 112, &temp);
        obj_info[IRDMA_HMC_IW_PBLE].max_cnt = (u32)temp;
        obj_info[IRDMA_HMC_IW_PBLE].size = 8;

        get_64bit_val(buf, 120, &temp);
        hmc_fpm_misc->max_ceqs = FIELD_GET(IRDMA_QUERY_FPM_MAX_CEQS, temp);
        hmc_fpm_misc->ht_multiplier = FIELD_GET(IRDMA_QUERY_FPM_HTMULTIPLIER, temp);
        hmc_fpm_misc->timer_bucket = FIELD_GET(IRDMA_QUERY_FPM_TIMERBUCKET, temp);
        if (FIELD_GET(IRDMA_MANAGE_RSRC_VER2,
                      dev->feature_info[IRDMA_FTN_FLAGS])) {
                ird_encoding = (u8)FIELD_GET(IRDMA_QUERY_FPM_MAX_IRD, temp);
                hmc_fpm_misc->ird =
                        irdma_sc_get_decoded_ird_size_gen_3(ird_encoding) / 2;
                dev->hw_attrs.max_hw_ird = hmc_fpm_misc->ird;
                dev->hw_attrs.max_hw_ord = hmc_fpm_misc->ird;
        }
        if (dev->hw_attrs.uk_attrs.hw_rev == IRDMA_GEN_1)
                return 0;
        irdma_sc_decode_fpm_query(buf, 96, obj_info, IRDMA_HMC_IW_FSIMC);
        irdma_sc_decode_fpm_query(buf, 104, obj_info, IRDMA_HMC_IW_FSIAV);
        irdma_sc_decode_fpm_query(buf, 128, obj_info, IRDMA_HMC_IW_RRF);

        get_64bit_val(buf, 136, &temp);
        obj_info[IRDMA_HMC_IW_RRFFL].max_cnt = (u32)temp;
        obj_info[IRDMA_HMC_IW_RRFFL].size = 4;
        hmc_fpm_misc->rrf_block_size = FIELD_GET(IRDMA_QUERY_FPM_RRFBLOCKSIZE, temp);
        if (!hmc_fpm_misc->rrf_block_size &&
            obj_info[IRDMA_HMC_IW_RRFFL].max_cnt)
                return -EINVAL;

        irdma_sc_decode_fpm_query(buf, 144, obj_info, IRDMA_HMC_IW_HDR);
        irdma_sc_decode_fpm_query(buf, 152, obj_info, IRDMA_HMC_IW_MD);

        if (dev->cqp->protocol_used == IRDMA_IWARP_PROTOCOL_ONLY) {
                irdma_sc_decode_fpm_query(buf, 160, obj_info, IRDMA_HMC_IW_OOISC);

                get_64bit_val(buf, 168, &temp);
                obj_info[IRDMA_HMC_IW_OOISCFFL].max_cnt = (u32)temp;
                obj_info[IRDMA_HMC_IW_OOISCFFL].size = 4;
                hmc_fpm_misc->ooiscf_block_size = FIELD_GET(IRDMA_QUERY_FPM_OOISCFBLOCKSIZE, temp);
                if (!hmc_fpm_misc->ooiscf_block_size &&
                    obj_info[IRDMA_HMC_IW_OOISCFFL].max_cnt)
                        return -EINVAL;
        }

        if (dev->hw_attrs.uk_attrs.hw_rev >= IRDMA_GEN_3) {
                get_64bit_val(buf, 176, &temp);
                hmc_fpm_misc->loc_mem_pages = (u32)FIELD_GET(IRDMA_QUERY_FPM_LOC_MEM_PAGES, temp);
                if (!hmc_fpm_misc->loc_mem_pages)
                        return -EINVAL;
        }

        return 0;
}

/**
 * irdma_sc_cqp_init - Initialize buffers for a control Queue Pair
 * @cqp: IWARP control queue pair pointer
 * @info: IWARP control queue pair init info pointer
 *
 * Initializes the object and context buffers for a control Queue Pair.
 */
int irdma_sc_cqp_init(struct irdma_sc_cqp *cqp,
                      struct irdma_cqp_init_info *info)
{
        struct irdma_ooo_cqp_op *ooo_op;
        u32 num_ooo_ops;
        u8 hw_sq_size;

        if (info->sq_size > IRDMA_CQP_SW_SQSIZE_2048 ||
            info->sq_size < IRDMA_CQP_SW_SQSIZE_4 ||
            ((info->sq_size & (info->sq_size - 1))))
                return -EINVAL;

        hw_sq_size = irdma_get_encoded_wqe_size(info->sq_size,
                                                IRDMA_QUEUE_TYPE_CQP);
        cqp->size = sizeof(*cqp);
        cqp->sq_size = info->sq_size;
        cqp->hw_sq_size = hw_sq_size;
        cqp->sq_base = info->sq;
        cqp->host_ctx = info->host_ctx;
        cqp->sq_pa = info->sq_pa;
        cqp->host_ctx_pa = info->host_ctx_pa;
        cqp->dev = info->dev;
        cqp->struct_ver = info->struct_ver;
        cqp->hw_maj_ver = info->hw_maj_ver;
        cqp->hw_min_ver = info->hw_min_ver;
        cqp->scratch_array = info->scratch_array;
        cqp->polarity = 0;
        cqp->en_datacenter_tcp = info->en_datacenter_tcp;
        cqp->ena_vf_count = info->ena_vf_count;
        cqp->hmc_profile = info->hmc_profile;
        cqp->ceqs_per_vf = info->ceqs_per_vf;
        cqp->disable_packed = info->disable_packed;
        cqp->rocev2_rto_policy = info->rocev2_rto_policy;
        cqp->protocol_used = info->protocol_used;
        memcpy(&cqp->dcqcn_params, &info->dcqcn_params, sizeof(cqp->dcqcn_params));
        if (cqp->dev->hw_attrs.uk_attrs.hw_rev >= IRDMA_GEN_3) {
                cqp->ooisc_blksize = info->ooisc_blksize;
                cqp->rrsp_blksize = info->rrsp_blksize;
                cqp->q1_blksize = info->q1_blksize;
                cqp->xmit_blksize = info->xmit_blksize;
                cqp->blksizes_valid = info->blksizes_valid;
                cqp->ts_shift = info->ts_shift;
                cqp->ts_override = info->ts_override;
                cqp->en_fine_grained_timers = info->en_fine_grained_timers;
                cqp->pe_en_vf_cnt = info->pe_en_vf_cnt;
                cqp->ooo_op_array = info->ooo_op_array;
                /* initialize the OOO lists */
                INIT_LIST_HEAD(&cqp->ooo_avail);
                INIT_LIST_HEAD(&cqp->ooo_pnd);
                if (cqp->ooo_op_array) {
                        /* Populate avail list entries */
                        for (num_ooo_ops = 0, ooo_op = info->ooo_op_array;
                             num_ooo_ops < cqp->sq_size;
                             num_ooo_ops++, ooo_op++)
                                list_add(&ooo_op->list_entry, &cqp->ooo_avail);
                }
        }
        info->dev->cqp = cqp;

        IRDMA_RING_INIT(cqp->sq_ring, cqp->sq_size);
        cqp->last_def_cmpl_ticket = 0;
        cqp->sw_def_cmpl_ticket = 0;
        cqp->requested_ops = 0;
        atomic64_set(&cqp->completed_ops, 0);
        /* for the cqp commands backlog. */
        INIT_LIST_HEAD(&cqp->dev->cqp_cmd_head);

        writel(0, cqp->dev->hw_regs[IRDMA_CQPTAIL]);
        if (cqp->dev->hw_attrs.uk_attrs.hw_rev <= IRDMA_GEN_2) {
                writel(0, cqp->dev->hw_regs[IRDMA_CQPDB]);
                writel(0, cqp->dev->hw_regs[IRDMA_CCQPSTATUS]);
        }

        ibdev_dbg(to_ibdev(cqp->dev),
                  "WQE: sq_size[%04d] hw_sq_size[%04d] sq_base[%p] sq_pa[%p] cqp[%p] polarity[x%04x]\n",
                  cqp->sq_size, cqp->hw_sq_size, cqp->sq_base,
                  (u64 *)(uintptr_t)cqp->sq_pa, cqp, cqp->polarity);
        return 0;
}

/**
 * irdma_sc_cqp_create - create cqp during bringup
 * @cqp: struct for cqp hw
 * @maj_err: If error, major err number
 * @min_err: If error, minor err number
 */
int irdma_sc_cqp_create(struct irdma_sc_cqp *cqp, u16 *maj_err, u16 *min_err)
{
        u64 temp;
        u8 hw_rev;
        u32 cnt = 0, p1, p2, val = 0, err_code;
        int ret_code;

        hw_rev = cqp->dev->hw_attrs.uk_attrs.hw_rev;
        cqp->sdbuf.size = ALIGN(IRDMA_UPDATE_SD_BUFF_SIZE * cqp->sq_size,
                                IRDMA_SD_BUF_ALIGNMENT);
        cqp->sdbuf.va = dma_alloc_coherent(cqp->dev->hw->device,
                                           cqp->sdbuf.size, &cqp->sdbuf.pa,
                                           GFP_KERNEL);
        if (!cqp->sdbuf.va)
                return -ENOMEM;

        spin_lock_init(&cqp->dev->cqp_lock);
        spin_lock_init(&cqp->ooo_list_lock);

        temp = FIELD_PREP(IRDMA_CQPHC_SQSIZE, cqp->hw_sq_size) |
               FIELD_PREP(IRDMA_CQPHC_SVER, cqp->struct_ver) |
               FIELD_PREP(IRDMA_CQPHC_DISABLE_PFPDUS, cqp->disable_packed) |
               FIELD_PREP(IRDMA_CQPHC_CEQPERVF, cqp->ceqs_per_vf);
        if (hw_rev >= IRDMA_GEN_2) {
                temp |= FIELD_PREP(IRDMA_CQPHC_ROCEV2_RTO_POLICY,
                                   cqp->rocev2_rto_policy) |
                        FIELD_PREP(IRDMA_CQPHC_PROTOCOL_USED,
                                   cqp->protocol_used);
        }
        if (hw_rev >= IRDMA_GEN_3)
                temp |= FIELD_PREP(IRDMA_CQPHC_EN_FINE_GRAINED_TIMERS,
                                   cqp->en_fine_grained_timers);

        set_64bit_val(cqp->host_ctx, 0, temp);
        set_64bit_val(cqp->host_ctx, 8, cqp->sq_pa);

        temp = FIELD_PREP(IRDMA_CQPHC_ENABLED_VFS, cqp->ena_vf_count) |
               FIELD_PREP(IRDMA_CQPHC_HMC_PROFILE, cqp->hmc_profile);

        if (hw_rev >= IRDMA_GEN_3)
                temp |= FIELD_PREP(IRDMA_CQPHC_OOISC_BLKSIZE,
                                   cqp->ooisc_blksize) |
                        FIELD_PREP(IRDMA_CQPHC_RRSP_BLKSIZE,
                                   cqp->rrsp_blksize) |
                        FIELD_PREP(IRDMA_CQPHC_Q1_BLKSIZE, cqp->q1_blksize) |
                        FIELD_PREP(IRDMA_CQPHC_XMIT_BLKSIZE,
                                   cqp->xmit_blksize) |
                        FIELD_PREP(IRDMA_CQPHC_BLKSIZES_VALID,
                                   cqp->blksizes_valid) |
                        FIELD_PREP(IRDMA_CQPHC_TIMESTAMP_OVERRIDE,
                                   cqp->ts_override) |
                        FIELD_PREP(IRDMA_CQPHC_TS_SHIFT, cqp->ts_shift);
        set_64bit_val(cqp->host_ctx, 16, temp);
        set_64bit_val(cqp->host_ctx, 24, (uintptr_t)cqp);
        temp = FIELD_PREP(IRDMA_CQPHC_HW_MAJVER, cqp->hw_maj_ver) |
               FIELD_PREP(IRDMA_CQPHC_HW_MINVER, cqp->hw_min_ver);
        if (hw_rev >= IRDMA_GEN_2) {
                temp |= FIELD_PREP(IRDMA_CQPHC_MIN_RATE, cqp->dcqcn_params.min_rate) |
                        FIELD_PREP(IRDMA_CQPHC_MIN_DEC_FACTOR, cqp->dcqcn_params.min_dec_factor);
        }
        set_64bit_val(cqp->host_ctx, 32, temp);
        set_64bit_val(cqp->host_ctx, 40, 0);
        temp = 0;
        if (hw_rev >= IRDMA_GEN_2) {
                temp |= FIELD_PREP(IRDMA_CQPHC_DCQCN_T, cqp->dcqcn_params.dcqcn_t) |
                        FIELD_PREP(IRDMA_CQPHC_RAI_FACTOR, cqp->dcqcn_params.rai_factor) |
                        FIELD_PREP(IRDMA_CQPHC_HAI_FACTOR, cqp->dcqcn_params.hai_factor);
        }
        set_64bit_val(cqp->host_ctx, 48, temp);
        temp = 0;
        if (hw_rev >= IRDMA_GEN_2) {
                temp |= FIELD_PREP(IRDMA_CQPHC_DCQCN_B, cqp->dcqcn_params.dcqcn_b) |
                        FIELD_PREP(IRDMA_CQPHC_DCQCN_F, cqp->dcqcn_params.dcqcn_f) |
                        FIELD_PREP(IRDMA_CQPHC_CC_CFG_VALID, cqp->dcqcn_params.cc_cfg_valid) |
                        FIELD_PREP(IRDMA_CQPHC_RREDUCE_MPERIOD, cqp->dcqcn_params.rreduce_mperiod);
        }
        set_64bit_val(cqp->host_ctx, 56, temp);
        print_hex_dump_debug("WQE: CQP_HOST_CTX WQE", DUMP_PREFIX_OFFSET, 16,
                             8, cqp->host_ctx, IRDMA_CQP_CTX_SIZE * 8, false);
        p1 = cqp->host_ctx_pa >> 32;
        p2 = (u32)cqp->host_ctx_pa;

        writel(p1, cqp->dev->hw_regs[IRDMA_CCQPHIGH]);
        writel(p2, cqp->dev->hw_regs[IRDMA_CCQPLOW]);

        do {
                if (cnt++ > cqp->dev->hw_attrs.max_done_count) {
                        ret_code = -ETIMEDOUT;
                        goto err;
                }
                udelay(cqp->dev->hw_attrs.max_sleep_count);
                val = readl(cqp->dev->hw_regs[IRDMA_CCQPSTATUS]);
        } while (!val);

        if (FLD_RS_32(cqp->dev, val, IRDMA_CCQPSTATUS_CCQP_ERR)) {
                ret_code = -EOPNOTSUPP;
                goto err;
        }

        cqp->process_cqp_sds = irdma_update_sds_noccq;
        return 0;

err:
        dma_free_coherent(cqp->dev->hw->device, cqp->sdbuf.size,
                          cqp->sdbuf.va, cqp->sdbuf.pa);
        cqp->sdbuf.va = NULL;
        err_code = readl(cqp->dev->hw_regs[IRDMA_CQPERRCODES]);
        *min_err = FIELD_GET(IRDMA_CQPERRCODES_CQP_MINOR_CODE, err_code);
        *maj_err = FIELD_GET(IRDMA_CQPERRCODES_CQP_MAJOR_CODE, err_code);
        return ret_code;
}

/**
 * irdma_sc_cqp_post_sq - post of cqp's sq
 * @cqp: struct for cqp hw
 */
void irdma_sc_cqp_post_sq(struct irdma_sc_cqp *cqp)
{
        writel(IRDMA_RING_CURRENT_HEAD(cqp->sq_ring), cqp->dev->cqp_db);

        ibdev_dbg(to_ibdev(cqp->dev),
                  "WQE: CQP SQ head 0x%x tail 0x%x size 0x%x\n",
                  cqp->sq_ring.head, cqp->sq_ring.tail, cqp->sq_ring.size);
}

/**
 * irdma_sc_cqp_get_next_send_wqe_idx - get next wqe on cqp sq
 * and pass back index
 * @cqp: CQP HW structure
 * @scratch: private data for CQP WQE
 * @wqe_idx: WQE index of CQP SQ
 */
__le64 *irdma_sc_cqp_get_next_send_wqe_idx(struct irdma_sc_cqp *cqp, u64 scratch,
                                           u32 *wqe_idx)
{
        __le64 *wqe = NULL;
        int ret_code;

        if (IRDMA_RING_FULL_ERR(cqp->sq_ring)) {
                ibdev_dbg(to_ibdev(cqp->dev),
                          "WQE: CQP SQ is full, head 0x%x tail 0x%x size 0x%x\n",
                          cqp->sq_ring.head, cqp->sq_ring.tail,
                          cqp->sq_ring.size);
                return NULL;
        }
        IRDMA_ATOMIC_RING_MOVE_HEAD(cqp->sq_ring, *wqe_idx, ret_code);
        if (ret_code)
                return NULL;

        cqp->requested_ops++;
        if (!*wqe_idx)
                cqp->polarity = !cqp->polarity;
        wqe = cqp->sq_base[*wqe_idx].elem;
        cqp->scratch_array[*wqe_idx] = scratch;
        IRDMA_CQP_INIT_WQE(wqe);

        return wqe;
}

/**
 * irdma_sc_cqp_destroy - destroy cqp during close
 * @cqp: struct for cqp hw
 */
int irdma_sc_cqp_destroy(struct irdma_sc_cqp *cqp)
{
        u32 cnt = 0, val;
        int ret_code = 0;

        writel(0, cqp->dev->hw_regs[IRDMA_CCQPHIGH]);
        writel(0, cqp->dev->hw_regs[IRDMA_CCQPLOW]);
        do {
                if (cnt++ > cqp->dev->hw_attrs.max_done_count) {
                        ret_code = -ETIMEDOUT;
                        break;
                }
                udelay(cqp->dev->hw_attrs.max_sleep_count);
                val = readl(cqp->dev->hw_regs[IRDMA_CCQPSTATUS]);
        } while (FLD_RS_32(cqp->dev, val, IRDMA_CCQPSTATUS_CCQP_DONE));

        dma_free_coherent(cqp->dev->hw->device, cqp->sdbuf.size,
                          cqp->sdbuf.va, cqp->sdbuf.pa);
        cqp->sdbuf.va = NULL;
        return ret_code;
}

/**
 * irdma_sc_ccq_arm - enable intr for control cq
 * @ccq: ccq sc struct
 */
void irdma_sc_ccq_arm(struct irdma_sc_cq *ccq)
{
        unsigned long flags;
        u64 temp_val;
        u16 sw_cq_sel;
        u8 arm_next_se;
        u8 arm_seq_num;

        spin_lock_irqsave(&ccq->dev->cqp_lock, flags);
        get_64bit_val(ccq->cq_uk.shadow_area, 32, &temp_val);
        sw_cq_sel = (u16)FIELD_GET(IRDMA_CQ_DBSA_SW_CQ_SELECT, temp_val);
        arm_next_se = (u8)FIELD_GET(IRDMA_CQ_DBSA_ARM_NEXT_SE, temp_val);
        arm_seq_num = (u8)FIELD_GET(IRDMA_CQ_DBSA_ARM_SEQ_NUM, temp_val);
        arm_seq_num++;
        temp_val = FIELD_PREP(IRDMA_CQ_DBSA_ARM_SEQ_NUM, arm_seq_num) |
                   FIELD_PREP(IRDMA_CQ_DBSA_SW_CQ_SELECT, sw_cq_sel) |
                   FIELD_PREP(IRDMA_CQ_DBSA_ARM_NEXT_SE, arm_next_se) |
                   FIELD_PREP(IRDMA_CQ_DBSA_ARM_NEXT, 1);
        set_64bit_val(ccq->cq_uk.shadow_area, 32, temp_val);
        spin_unlock_irqrestore(&ccq->dev->cqp_lock, flags);

        writel(ccq->cq_uk.cq_id, ccq->dev->cq_arm_db);
}

/**
 * irdma_sc_process_def_cmpl - process deferred or pending completion
 * @cqp: CQP sc struct
 * @info: CQP CQE info
 * @wqe_idx: CQP WQE descriptor index
 * @def_info: deferred op ticket value or out-of-order completion id
 * @def_cmpl: true for deferred completion, false for pending (RCA)
 */
static void irdma_sc_process_def_cmpl(struct irdma_sc_cqp *cqp,
                                      struct irdma_ccq_cqe_info *info,
                                      u32 wqe_idx, u32 def_info, bool def_cmpl)
{
        struct irdma_ooo_cqp_op *ooo_op;
        unsigned long flags;

        /* Deferred and out-of-order completions share the same list of pending
         * completions.  Since the list can be also accessed from AE handler,
         * it must be protected by a lock.
         */
        spin_lock_irqsave(&cqp->ooo_list_lock, flags);

        /* For deferred completions bump up SW completion ticket value. */
        if (def_cmpl) {
                cqp->last_def_cmpl_ticket = def_info;
                cqp->sw_def_cmpl_ticket++;
        }
        if (!list_empty(&cqp->ooo_avail)) {
                ooo_op = (struct irdma_ooo_cqp_op *)
                         list_entry(cqp->ooo_avail.next,
                                    struct irdma_ooo_cqp_op, list_entry);

                list_del(&ooo_op->list_entry);
                ooo_op->scratch = info->scratch;
                ooo_op->def_info = def_info;
                ooo_op->sw_def_info = cqp->sw_def_cmpl_ticket;
                ooo_op->deferred = def_cmpl;
                ooo_op->wqe_idx = wqe_idx;
                /* Pending completions must be chronologically ordered,
                 * so adding at the end of list.
                 */
                list_add_tail(&ooo_op->list_entry, &cqp->ooo_pnd);
        }
        spin_unlock_irqrestore(&cqp->ooo_list_lock, flags);

        info->pending = true;
}

/**
 * irdma_sc_process_ooo_cmpl - process out-of-order (final) completion
 * @cqp: CQP sc struct
 * @info: CQP CQE info
 * @def_info: out-of-order completion id
 */
static void irdma_sc_process_ooo_cmpl(struct irdma_sc_cqp *cqp,
                                      struct irdma_ccq_cqe_info *info,
                                      u32 def_info)
{
        struct irdma_ooo_cqp_op *ooo_op_tmp;
        struct irdma_ooo_cqp_op *ooo_op;
        unsigned long flags;

        info->scratch = 0;

        spin_lock_irqsave(&cqp->ooo_list_lock, flags);
        list_for_each_entry_safe(ooo_op, ooo_op_tmp, &cqp->ooo_pnd,
                                 list_entry) {
                if (!ooo_op->deferred && ooo_op->def_info == def_info) {
                        list_del(&ooo_op->list_entry);
                        info->scratch = ooo_op->scratch;
                        list_add(&ooo_op->list_entry, &cqp->ooo_avail);
                        break;
                }
        }
        spin_unlock_irqrestore(&cqp->ooo_list_lock, flags);

        if (!info->scratch)
                ibdev_dbg(to_ibdev(cqp->dev),
                          "CQP: DEBUG_FW_OOO out-of-order completion with unknown def_info = 0x%x\n",
                          def_info);
}

/**
 * irdma_sc_ccq_get_cqe_info - get ccq's cq entry
 * @ccq: ccq sc struct
 * @info: completion q entry to return
 */
int irdma_sc_ccq_get_cqe_info(struct irdma_sc_cq *ccq,
                              struct irdma_ccq_cqe_info *info)
{
        u32 def_info;
        bool def_cmpl = false;
        bool pend_cmpl = false;
        bool ooo_final_cmpl = false;
        u64 qp_ctx, temp, temp1;
        __le64 *cqe;
        struct irdma_sc_cqp *cqp;
        u32 wqe_idx;
        u32 error;
        u8 polarity;
        int ret_code = 0;
        unsigned long flags;

        if (ccq->cq_uk.avoid_mem_cflct)
                cqe = IRDMA_GET_CURRENT_EXTENDED_CQ_ELEM(&ccq->cq_uk);
        else
                cqe = IRDMA_GET_CURRENT_CQ_ELEM(&ccq->cq_uk);

        get_64bit_val(cqe, 24, &temp);
        polarity = (u8)FIELD_GET(IRDMA_CQ_VALID, temp);
        if (polarity != ccq->cq_uk.polarity)
                return -ENOENT;

        /* Ensure CEQE contents are read after valid bit is checked */
        dma_rmb();

        get_64bit_val(cqe, 8, &qp_ctx);
        cqp = (struct irdma_sc_cqp *)(unsigned long)qp_ctx;
        info->error = (bool)FIELD_GET(IRDMA_CQ_ERROR, temp);
        info->maj_err_code = IRDMA_CQPSQ_MAJ_NO_ERROR;
        info->min_err_code = (u16)FIELD_GET(IRDMA_CQ_MINERR, temp);
        if (info->error) {
                info->maj_err_code = (u16)FIELD_GET(IRDMA_CQ_MAJERR, temp);
                error = readl(cqp->dev->hw_regs[IRDMA_CQPERRCODES]);
                ibdev_dbg(to_ibdev(cqp->dev),
                          "CQP: CQPERRCODES error_code[x%08X]\n", error);
        }

        wqe_idx = (u32)FIELD_GET(IRDMA_CQ_WQEIDX, temp);
        info->scratch = cqp->scratch_array[wqe_idx];

        get_64bit_val(cqe, 16, &temp1);
        info->op_ret_val = (u32)FIELD_GET(IRDMA_CCQ_OPRETVAL, temp1);
        if (cqp->dev->hw_attrs.uk_attrs.hw_rev >= IRDMA_GEN_3) {
                def_cmpl = info->maj_err_code == IRDMA_CQPSQ_MAJ_NO_ERROR &&
                           info->min_err_code == IRDMA_CQPSQ_MIN_DEF_CMPL;
                def_info = (u32)FIELD_GET(IRDMA_CCQ_DEFINFO, temp1);

                pend_cmpl = info->maj_err_code == IRDMA_CQPSQ_MAJ_NO_ERROR &&
                            info->min_err_code == IRDMA_CQPSQ_MIN_OOO_CMPL;

                ooo_final_cmpl = (bool)FIELD_GET(IRDMA_OOO_CMPL, temp);

                if (def_cmpl || pend_cmpl || ooo_final_cmpl) {
                        if (ooo_final_cmpl)
                                irdma_sc_process_ooo_cmpl(cqp, info, def_info);
                        else
                                irdma_sc_process_def_cmpl(cqp, info, wqe_idx,
                                                          def_info, def_cmpl);
                }
        }

        get_64bit_val(cqp->sq_base[wqe_idx].elem, 24, &temp1);
        info->op_code = (u8)FIELD_GET(IRDMA_CQPSQ_OPCODE, temp1);
        info->cqp = cqp;

        /*  move the head for cq */
        IRDMA_RING_MOVE_HEAD(ccq->cq_uk.cq_ring, ret_code);
        if (!IRDMA_RING_CURRENT_HEAD(ccq->cq_uk.cq_ring))
                ccq->cq_uk.polarity ^= 1;

        /* update cq tail in cq shadow memory also */
        IRDMA_RING_MOVE_TAIL(ccq->cq_uk.cq_ring);
        set_64bit_val(ccq->cq_uk.shadow_area, 0,
                      IRDMA_RING_CURRENT_HEAD(ccq->cq_uk.cq_ring));

        dma_wmb(); /* make sure shadow area is updated before moving tail */

        spin_lock_irqsave(&cqp->dev->cqp_lock, flags);
        if (!ooo_final_cmpl)
                IRDMA_RING_MOVE_TAIL(cqp->sq_ring);
        spin_unlock_irqrestore(&cqp->dev->cqp_lock, flags);

        /* Do not increment completed_ops counter on pending or deferred
         * completions.
         */
        if (pend_cmpl || def_cmpl)
                return ret_code;
        atomic64_inc(&cqp->completed_ops);

        return ret_code;
}

/**
 * irdma_sc_poll_for_cqp_op_done - Waits for last write to complete in CQP SQ
 * @cqp: struct for cqp hw
 * @op_code: cqp opcode for completion
 * @compl_info: completion q entry to return
 */
int irdma_sc_poll_for_cqp_op_done(struct irdma_sc_cqp *cqp, u8 op_code,
                                  struct irdma_ccq_cqe_info *compl_info)
{
        struct irdma_ccq_cqe_info info = {};
        struct irdma_sc_cq *ccq;
        int ret_code = 0;
        u32 cnt = 0;

        ccq = cqp->dev->ccq;
        while (1) {
                if (cnt++ > 100 * cqp->dev->hw_attrs.max_done_count)
                        return -ETIMEDOUT;

                if (irdma_sc_ccq_get_cqe_info(ccq, &info)) {
                        udelay(cqp->dev->hw_attrs.max_sleep_count);
                        continue;
                }
                if (info.error && info.op_code != IRDMA_CQP_OP_QUERY_STAG) {
                        ret_code = -EIO;
                        break;
                }
                /* make sure op code matches*/
                if (op_code == info.op_code)
                        break;
                ibdev_dbg(to_ibdev(cqp->dev),
                          "WQE: opcode mismatch for my op code 0x%x, returned opcode %x\n",
                          op_code, info.op_code);
        }

        if (compl_info)
                memcpy(compl_info, &info, sizeof(*compl_info));

        return ret_code;
}

/**
 * irdma_sc_manage_hmc_pm_func_table - manage of function table
 * @cqp: struct for cqp hw
 * @scratch: u64 saved to be used during cqp completion
 * @info: info for the manage function table operation
 * @post_sq: flag for cqp db to ring
 */
static int irdma_sc_manage_hmc_pm_func_table(struct irdma_sc_cqp *cqp,
                                             struct irdma_hmc_fcn_info *info,
                                             u64 scratch, bool post_sq)
{
        __le64 *wqe;
        u64 hdr;

        wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
        if (!wqe)
                return -ENOMEM;

        set_64bit_val(wqe, 0, 0);
        set_64bit_val(wqe, 8, 0);
        set_64bit_val(wqe, 16, 0);
        set_64bit_val(wqe, 32, 0);
        set_64bit_val(wqe, 40, 0);
        set_64bit_val(wqe, 48, 0);
        set_64bit_val(wqe, 56, 0);

        hdr = FIELD_PREP(IRDMA_CQPSQ_MHMC_VFIDX, info->vf_id) |
              FIELD_PREP(IRDMA_CQPSQ_OPCODE,
                         IRDMA_CQP_OP_MANAGE_HMC_PM_FUNC_TABLE) |
              FIELD_PREP(IRDMA_CQPSQ_MHMC_FREEPMFN, info->free_fcn) |
              FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
        dma_wmb(); /* make sure WQE is written before valid bit is set */

        set_64bit_val(wqe, 24, hdr);

        print_hex_dump_debug("WQE: MANAGE_HMC_PM_FUNC_TABLE WQE",
                             DUMP_PREFIX_OFFSET, 16, 8, wqe,
                             IRDMA_CQP_WQE_SIZE * 8, false);
        if (post_sq)
                irdma_sc_cqp_post_sq(cqp);

        return 0;
}

/**
 * irdma_sc_commit_fpm_val_done - wait for cqp eqe completion
 * for fpm commit
 * @cqp: struct for cqp hw
 */
static int irdma_sc_commit_fpm_val_done(struct irdma_sc_cqp *cqp)
{
        return irdma_sc_poll_for_cqp_op_done(cqp, IRDMA_CQP_OP_COMMIT_FPM_VAL,
                                             NULL);
}

/**
 * irdma_sc_commit_fpm_val - cqp wqe for commit fpm values
 * @cqp: struct for cqp hw
 * @scratch: u64 saved to be used during cqp completion
 * @hmc_fn_id: hmc function id
 * @commit_fpm_mem: Memory for fpm values
 * @post_sq: flag for cqp db to ring
 * @wait_type: poll ccq or cqp registers for cqp completion
 */
static int irdma_sc_commit_fpm_val(struct irdma_sc_cqp *cqp, u64 scratch,
                                   u8 hmc_fn_id,
                                   struct irdma_dma_mem *commit_fpm_mem,
                                   bool post_sq, u8 wait_type)
{
        __le64 *wqe;
        u64 hdr;
        u32 tail, val, error;
        int ret_code = 0;

        wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
        if (!wqe)
                return -ENOMEM;

        set_64bit_val(wqe, 16, hmc_fn_id);
        set_64bit_val(wqe, 32, commit_fpm_mem->pa);

        hdr = FIELD_PREP(IRDMA_CQPSQ_BUFSIZE, IRDMA_COMMIT_FPM_BUF_SIZE) |
              FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_COMMIT_FPM_VAL) |
              FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);

        dma_wmb(); /* make sure WQE is written before valid bit is set */

        set_64bit_val(wqe, 24, hdr);

        print_hex_dump_debug("WQE: COMMIT_FPM_VAL WQE", DUMP_PREFIX_OFFSET,
                             16, 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false);
        irdma_get_cqp_reg_info(cqp, &val, &tail, &error);

        if (post_sq) {
                irdma_sc_cqp_post_sq(cqp);
                if (wait_type == IRDMA_CQP_WAIT_POLL_REGS)
                        ret_code = irdma_cqp_poll_registers(cqp, tail,
                                                            cqp->dev->hw_attrs.max_done_count);
                else if (wait_type == IRDMA_CQP_WAIT_POLL_CQ)
                        ret_code = irdma_sc_commit_fpm_val_done(cqp);
        }

        return ret_code;
}

/**
 * irdma_sc_query_fpm_val_done - poll for cqp wqe completion for
 * query fpm
 * @cqp: struct for cqp hw
 */
static int irdma_sc_query_fpm_val_done(struct irdma_sc_cqp *cqp)
{
        return irdma_sc_poll_for_cqp_op_done(cqp, IRDMA_CQP_OP_QUERY_FPM_VAL,
                                             NULL);
}

/**
 * irdma_sc_query_fpm_val - cqp wqe query fpm values
 * @cqp: struct for cqp hw
 * @scratch: u64 saved to be used during cqp completion
 * @hmc_fn_id: hmc function id
 * @query_fpm_mem: memory for return fpm values
 * @post_sq: flag for cqp db to ring
 * @wait_type: poll ccq or cqp registers for cqp completion
 */
static int irdma_sc_query_fpm_val(struct irdma_sc_cqp *cqp, u64 scratch,
                                  u8 hmc_fn_id,
                                  struct irdma_dma_mem *query_fpm_mem,
                                  bool post_sq, u8 wait_type)
{
        __le64 *wqe;
        u64 hdr;
        u32 tail, val, error;
        int ret_code = 0;

        wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
        if (!wqe)
                return -ENOMEM;

        set_64bit_val(wqe, 16, hmc_fn_id);
        set_64bit_val(wqe, 32, query_fpm_mem->pa);

        hdr = FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_QUERY_FPM_VAL) |
              FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
        dma_wmb(); /* make sure WQE is written before valid bit is set */

        set_64bit_val(wqe, 24, hdr);

        print_hex_dump_debug("WQE: QUERY_FPM WQE", DUMP_PREFIX_OFFSET, 16, 8,
                             wqe, IRDMA_CQP_WQE_SIZE * 8, false);
        irdma_get_cqp_reg_info(cqp, &val, &tail, &error);

        if (post_sq) {
                irdma_sc_cqp_post_sq(cqp);
                if (wait_type == IRDMA_CQP_WAIT_POLL_REGS)
                        ret_code = irdma_cqp_poll_registers(cqp, tail,
                                                            cqp->dev->hw_attrs.max_done_count);
                else if (wait_type == IRDMA_CQP_WAIT_POLL_CQ)
                        ret_code = irdma_sc_query_fpm_val_done(cqp);
        }

        return ret_code;
}

/**
 * irdma_sc_ceq_init - initialize ceq
 * @ceq: ceq sc structure
 * @info: ceq initialization info
 */
int irdma_sc_ceq_init(struct irdma_sc_ceq *ceq,
                      struct irdma_ceq_init_info *info)
{
        u32 pble_obj_cnt;

        if (info->elem_cnt < info->dev->hw_attrs.min_hw_ceq_size ||
            info->elem_cnt > info->dev->hw_attrs.max_hw_ceq_size)
                return -EINVAL;

        if (info->ceq_id >= info->dev->hmc_fpm_misc.max_ceqs)
                return -EINVAL;
        pble_obj_cnt = info->dev->hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].cnt;

        if (info->virtual_map && info->first_pm_pbl_idx >= pble_obj_cnt)
                return -EINVAL;

        ceq->size = sizeof(*ceq);
        ceq->ceqe_base = (struct irdma_ceqe *)info->ceqe_base;
        ceq->ceq_id = info->ceq_id;
        ceq->dev = info->dev;
        ceq->elem_cnt = info->elem_cnt;
        ceq->ceq_elem_pa = info->ceqe_pa;
        ceq->virtual_map = info->virtual_map;
        ceq->itr_no_expire = info->itr_no_expire;
        ceq->pbl_chunk_size = (ceq->virtual_map ? info->pbl_chunk_size : 0);
        ceq->first_pm_pbl_idx = (ceq->virtual_map ? info->first_pm_pbl_idx : 0);
        ceq->pbl_list = (ceq->virtual_map ? info->pbl_list : NULL);
        ceq->tph_en = info->tph_en;
        ceq->tph_val = info->tph_val;
        ceq->vsi_idx = info->vsi_idx;
        ceq->polarity = 1;
        IRDMA_RING_INIT(ceq->ceq_ring, ceq->elem_cnt);
        ceq->dev->ceq[info->ceq_id] = ceq;

        return 0;
}

/**
 * irdma_sc_ceq_create - create ceq wqe
 * @ceq: ceq sc structure
 * @scratch: u64 saved to be used during cqp completion
 * @post_sq: flag for cqp db to ring
 */

static int irdma_sc_ceq_create(struct irdma_sc_ceq *ceq, u64 scratch,
                               bool post_sq)
{
        struct irdma_sc_cqp *cqp;
        __le64 *wqe;
        u64 hdr;

        cqp = ceq->dev->cqp;
        wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
        if (!wqe)
                return -ENOMEM;
        set_64bit_val(wqe, 16, ceq->elem_cnt);
        set_64bit_val(wqe, 32,
                      (ceq->virtual_map ? 0 : ceq->ceq_elem_pa));
        set_64bit_val(wqe, 48,
                      (ceq->virtual_map ? ceq->first_pm_pbl_idx : 0));
        set_64bit_val(wqe, 56,
                      FIELD_PREP(IRDMA_CQPSQ_TPHVAL, ceq->tph_val) |
                      FIELD_PREP(IRDMA_CQPSQ_PASID, ceq->pasid) |
                      FIELD_PREP(IRDMA_CQPSQ_VSIIDX, ceq->vsi_idx));
        hdr = FIELD_PREP(IRDMA_CQPSQ_CEQ_CEQID, ceq->ceq_id) |
              FIELD_PREP(IRDMA_CQPSQ_CEQ_CEQID_HIGH, ceq->ceq_id >> 10) |
              FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_CREATE_CEQ) |
              FIELD_PREP(IRDMA_CQPSQ_CEQ_LPBLSIZE, ceq->pbl_chunk_size) |
              FIELD_PREP(IRDMA_CQPSQ_CEQ_VMAP, ceq->virtual_map) |
              FIELD_PREP(IRDMA_CQPSQ_CEQ_ITRNOEXPIRE, ceq->itr_no_expire) |
              FIELD_PREP(IRDMA_CQPSQ_TPHEN, ceq->tph_en) |
              FIELD_PREP(IRDMA_CQPSQ_PASID_VALID, ceq->pasid_valid) |
              FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
        dma_wmb(); /* make sure WQE is written before valid bit is set */

        set_64bit_val(wqe, 24, hdr);

        print_hex_dump_debug("WQE: CEQ_CREATE WQE", DUMP_PREFIX_OFFSET, 16, 8,
                             wqe, IRDMA_CQP_WQE_SIZE * 8, false);
        if (post_sq)
                irdma_sc_cqp_post_sq(cqp);

        return 0;
}

/**
 * irdma_sc_cceq_create_done - poll for control ceq wqe to complete
 * @ceq: ceq sc structure
 */
static int irdma_sc_cceq_create_done(struct irdma_sc_ceq *ceq)
{
        struct irdma_sc_cqp *cqp;

        cqp = ceq->dev->cqp;
        return irdma_sc_poll_for_cqp_op_done(cqp, IRDMA_CQP_OP_CREATE_CEQ,
                                             NULL);
}

/**
 * irdma_sc_cceq_destroy_done - poll for destroy cceq to complete
 * @ceq: ceq sc structure
 */
int irdma_sc_cceq_destroy_done(struct irdma_sc_ceq *ceq)
{
        struct irdma_sc_cqp *cqp;

        cqp = ceq->dev->cqp;
        cqp->process_cqp_sds = irdma_update_sds_noccq;

        return irdma_sc_poll_for_cqp_op_done(cqp, IRDMA_CQP_OP_DESTROY_CEQ,
                                             NULL);
}

/**
 * irdma_sc_cceq_create - create cceq
 * @ceq: ceq sc structure
 * @scratch: u64 saved to be used during cqp completion
 */
int irdma_sc_cceq_create(struct irdma_sc_ceq *ceq, u64 scratch)
{
        int ret_code;
        struct irdma_sc_dev *dev = ceq->dev;

        dev->ccq->vsi_idx = ceq->vsi_idx;

        ret_code = irdma_sc_ceq_create(ceq, scratch, true);
        if (!ret_code)
                return irdma_sc_cceq_create_done(ceq);

        return ret_code;
}

/**
 * irdma_sc_ceq_destroy - destroy ceq
 * @ceq: ceq sc structure
 * @scratch: u64 saved to be used during cqp completion
 * @post_sq: flag for cqp db to ring
 */
int irdma_sc_ceq_destroy(struct irdma_sc_ceq *ceq, u64 scratch, bool post_sq)
{
        struct irdma_sc_cqp *cqp;
        __le64 *wqe;
        u64 hdr;

        cqp = ceq->dev->cqp;
        wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
        if (!wqe)
                return -ENOMEM;

        set_64bit_val(wqe, 16, ceq->elem_cnt);
        set_64bit_val(wqe, 48, ceq->first_pm_pbl_idx);
        set_64bit_val(wqe, 56,
                      FIELD_PREP(IRDMA_CQPSQ_PASID, ceq->pasid));
        hdr = ceq->ceq_id |
              FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_DESTROY_CEQ) |
              FIELD_PREP(IRDMA_CQPSQ_CEQ_LPBLSIZE, ceq->pbl_chunk_size) |
              FIELD_PREP(IRDMA_CQPSQ_CEQ_VMAP, ceq->virtual_map) |
              FIELD_PREP(IRDMA_CQPSQ_TPHEN, ceq->tph_en) |
              FIELD_PREP(IRDMA_CQPSQ_PASID_VALID, ceq->pasid_valid) |
              FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
        dma_wmb(); /* make sure WQE is written before valid bit is set */

        set_64bit_val(wqe, 24, hdr);

        print_hex_dump_debug("WQE: CEQ_DESTROY WQE", DUMP_PREFIX_OFFSET, 16,
                             8, wqe, IRDMA_CQP_WQE_SIZE * 8, false);
        if (post_sq)
                irdma_sc_cqp_post_sq(cqp);

        return 0;
}

/**
 * irdma_sc_process_ceq - process ceq
 * @dev: sc device struct
 * @ceq: ceq sc structure
 * @cq_idx: Pointer to a CQ ID that will be populated.
 *
 * It is expected caller serializes this function with cleanup_ceqes()
 * because these functions manipulate the same ceq
 *
 * Return: True if cq_idx has been populated with a CQ ID.
 */
bool irdma_sc_process_ceq(struct irdma_sc_dev *dev, struct irdma_sc_ceq *ceq,
                          u32 *cq_idx)
{
        u64 temp;
        __le64 *ceqe;
        u8 polarity;

        do {
                ceqe = IRDMA_GET_CURRENT_CEQ_ELEM(ceq);
                get_64bit_val(ceqe, 0, &temp);
                polarity = (u8)FIELD_GET(IRDMA_CEQE_VALID, temp);
                if (polarity != ceq->polarity)
                        return false;

                /* Truncate. Discard valid bit which is MSb of temp. */
                *cq_idx = temp;
                if (*cq_idx >= dev->hmc_info->hmc_obj[IRDMA_HMC_IW_CQ].cnt)
                        *cq_idx = IRDMA_INVALID_CQ_IDX;

                IRDMA_RING_MOVE_TAIL(ceq->ceq_ring);
                if (!IRDMA_RING_CURRENT_TAIL(ceq->ceq_ring))
                        ceq->polarity ^= 1;
        } while (*cq_idx == IRDMA_INVALID_CQ_IDX);

        return true;
}

/**
 * irdma_sc_cleanup_ceqes - clear the valid ceqes ctx matching the cq
 * @cq: cq for which the ceqes need to be cleaned up
 * @ceq: ceq ptr
 *
 * The function is called after the cq is destroyed to cleanup
 * its pending ceqe entries. It is expected caller serializes this
 * function with process_ceq() in interrupt context.
 */
void irdma_sc_cleanup_ceqes(struct irdma_sc_cq *cq, struct irdma_sc_ceq *ceq)
{
        u8 ceq_polarity = ceq->polarity;
        __le64 *ceqe;
        u8 polarity;
        u32 cq_idx;
        u64 temp;
        int next;
        u32 i;

        next = IRDMA_RING_GET_NEXT_TAIL(ceq->ceq_ring, 0);

        for (i = 1; i <= IRDMA_RING_SIZE(*ceq); i++) {
                ceqe = IRDMA_GET_CEQ_ELEM_AT_POS(ceq, next);

                get_64bit_val(ceqe, 0, &temp);
                polarity = (u8)FIELD_GET(IRDMA_CEQE_VALID, temp);
                if (polarity != ceq_polarity)
                        return;

                cq_idx = temp;
                if (cq_idx == cq->cq_uk.cq_id)
                        set_64bit_val(ceqe, 0, (temp & IRDMA_CEQE_VALID) |
                                      IRDMA_INVALID_CQ_IDX);

                next = IRDMA_RING_GET_NEXT_TAIL(ceq->ceq_ring, i);
                if (!next)
                        ceq_polarity ^= 1;
        }
}

/**
 * irdma_sc_aeq_init - initialize aeq
 * @aeq: aeq structure ptr
 * @info: aeq initialization info
 */
int irdma_sc_aeq_init(struct irdma_sc_aeq *aeq,
                      struct irdma_aeq_init_info *info)
{
        u32 pble_obj_cnt;

        if (info->elem_cnt < info->dev->hw_attrs.min_hw_aeq_size ||
            info->elem_cnt > info->dev->hw_attrs.max_hw_aeq_size)
                return -EINVAL;

        pble_obj_cnt = info->dev->hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].cnt;

        if (info->virtual_map && info->first_pm_pbl_idx >= pble_obj_cnt)
                return -EINVAL;

        aeq->size = sizeof(*aeq);
        aeq->polarity = 1;
        aeq->aeqe_base = (struct irdma_sc_aeqe *)info->aeqe_base;
        aeq->dev = info->dev;
        aeq->elem_cnt = info->elem_cnt;
        aeq->aeq_elem_pa = info->aeq_elem_pa;
        IRDMA_RING_INIT(aeq->aeq_ring, aeq->elem_cnt);
        aeq->virtual_map = info->virtual_map;
        aeq->pbl_list = (aeq->virtual_map ? info->pbl_list : NULL);
        aeq->pbl_chunk_size = (aeq->virtual_map ? info->pbl_chunk_size : 0);
        aeq->first_pm_pbl_idx = (aeq->virtual_map ? info->first_pm_pbl_idx : 0);
        aeq->msix_idx = info->msix_idx;
        info->dev->aeq = aeq;

        return 0;
}

/**
 * irdma_sc_aeq_create - create aeq
 * @aeq: aeq structure ptr
 * @scratch: u64 saved to be used during cqp completion
 * @post_sq: flag for cqp db to ring
 */
static int irdma_sc_aeq_create(struct irdma_sc_aeq *aeq, u64 scratch,
                               bool post_sq)
{
        __le64 *wqe;
        struct irdma_sc_cqp *cqp;
        u64 hdr;

        cqp = aeq->dev->cqp;
        wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
        if (!wqe)
                return -ENOMEM;
        set_64bit_val(wqe, 16, aeq->elem_cnt);
        set_64bit_val(wqe, 32,
                      (aeq->virtual_map ? 0 : aeq->aeq_elem_pa));
        set_64bit_val(wqe, 48,
                      (aeq->virtual_map ? aeq->first_pm_pbl_idx : 0));
        set_64bit_val(wqe, 56,
                      FIELD_PREP(IRDMA_CQPSQ_PASID, aeq->pasid));

        hdr = FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_CREATE_AEQ) |
              FIELD_PREP(IRDMA_CQPSQ_AEQ_LPBLSIZE, aeq->pbl_chunk_size) |
              FIELD_PREP(IRDMA_CQPSQ_AEQ_VMAP, aeq->virtual_map) |
              FIELD_PREP(IRDMA_CQPSQ_PASID_VALID, aeq->pasid_valid) |
              FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
        dma_wmb(); /* make sure WQE is written before valid bit is set */

        set_64bit_val(wqe, 24, hdr);

        print_hex_dump_debug("WQE: AEQ_CREATE WQE", DUMP_PREFIX_OFFSET, 16, 8,
                             wqe, IRDMA_CQP_WQE_SIZE * 8, false);
        if (post_sq)
                irdma_sc_cqp_post_sq(cqp);

        return 0;
}

/**
 * irdma_sc_aeq_destroy - destroy aeq during close
 * @aeq: aeq structure ptr
 * @scratch: u64 saved to be used during cqp completion
 * @post_sq: flag for cqp db to ring
 */
static int irdma_sc_aeq_destroy(struct irdma_sc_aeq *aeq, u64 scratch,
                                bool post_sq)
{
        __le64 *wqe;
        struct irdma_sc_cqp *cqp;
        struct irdma_sc_dev *dev;
        u64 hdr;

        dev = aeq->dev;

        if (dev->hw_attrs.uk_attrs.hw_rev <= IRDMA_GEN_2)
                writel(0, dev->hw_regs[IRDMA_PFINT_AEQCTL]);

        cqp = dev->cqp;
        wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
        if (!wqe)
                return -ENOMEM;
        set_64bit_val(wqe, 16, aeq->elem_cnt);
        set_64bit_val(wqe, 48, aeq->first_pm_pbl_idx);
        set_64bit_val(wqe, 56,
                      FIELD_PREP(IRDMA_CQPSQ_PASID, aeq->pasid));
        hdr = FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_DESTROY_AEQ) |
              FIELD_PREP(IRDMA_CQPSQ_AEQ_LPBLSIZE, aeq->pbl_chunk_size) |
              FIELD_PREP(IRDMA_CQPSQ_AEQ_VMAP, aeq->virtual_map) |
              FIELD_PREP(IRDMA_CQPSQ_PASID_VALID, aeq->pasid_valid) |
              FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
        dma_wmb(); /* make sure WQE is written before valid bit is set */

        set_64bit_val(wqe, 24, hdr);

        print_hex_dump_debug("WQE: AEQ_DESTROY WQE", DUMP_PREFIX_OFFSET, 16,
                             8, wqe, IRDMA_CQP_WQE_SIZE * 8, false);
        if (post_sq)
                irdma_sc_cqp_post_sq(cqp);
        return 0;
}

/**
 * irdma_sc_get_next_aeqe - get next aeq entry
 * @aeq: aeq structure ptr
 * @info: aeqe info to be returned
 */
int irdma_sc_get_next_aeqe(struct irdma_sc_aeq *aeq,
                           struct irdma_aeqe_info *info)
{
        u64 temp, compl_ctx;
        __le64 *aeqe;
        u8 ae_src;
        u8 polarity;

        aeqe = IRDMA_GET_CURRENT_AEQ_ELEM(aeq);
        get_64bit_val(aeqe, 8, &temp);
        polarity = (u8)FIELD_GET(IRDMA_AEQE_VALID, temp);

        if (aeq->polarity != polarity)
                return -ENOENT;

        /* Ensure AEQE contents are read after valid bit is checked */
        dma_rmb();

        get_64bit_val(aeqe, 0, &compl_ctx);

        print_hex_dump_debug("WQE: AEQ_ENTRY WQE", DUMP_PREFIX_OFFSET, 16, 8,
                             aeqe, 16, false);

        if (aeq->dev->hw_attrs.uk_attrs.hw_rev >= IRDMA_GEN_3) {
                ae_src = (u8)FIELD_GET(IRDMA_AEQE_AESRC_GEN_3, temp);
                info->wqe_idx = (u16)FIELD_GET(IRDMA_AEQE_WQDESCIDX_GEN_3,
                                               temp);
                info->qp_cq_id = (u32)FIELD_GET(IRDMA_AEQE_QPCQID_GEN_3, temp);
                info->ae_id = (u16)FIELD_GET(IRDMA_AEQE_AECODE_GEN_3, temp);
                info->tcp_state = (u8)FIELD_GET(IRDMA_AEQE_TCPSTATE_GEN_3, compl_ctx);
                info->iwarp_state = (u8)FIELD_GET(IRDMA_AEQE_IWSTATE_GEN_3, temp);
                info->q2_data_written = (u8)FIELD_GET(IRDMA_AEQE_Q2DATA_GEN_3, compl_ctx);
                info->aeqe_overflow = (bool)FIELD_GET(IRDMA_AEQE_OVERFLOW_GEN_3, temp);
                info->compl_ctx = FIELD_GET(IRDMA_AEQE_CMPL_CTXT, compl_ctx);
                compl_ctx = FIELD_GET(IRDMA_AEQE_CMPL_CTXT, compl_ctx) << IRDMA_AEQE_CMPL_CTXT_S;
        } else {
                ae_src = (u8)FIELD_GET(IRDMA_AEQE_AESRC, temp);
                info->wqe_idx = (u16)FIELD_GET(IRDMA_AEQE_WQDESCIDX, temp);
                info->qp_cq_id = (u32)FIELD_GET(IRDMA_AEQE_QPCQID_LOW, temp) |
                         ((u32)FIELD_GET(IRDMA_AEQE_QPCQID_HI, temp) << 18);
                info->ae_id = (u16)FIELD_GET(IRDMA_AEQE_AECODE, temp);
                info->tcp_state = (u8)FIELD_GET(IRDMA_AEQE_TCPSTATE, temp);
                info->iwarp_state = (u8)FIELD_GET(IRDMA_AEQE_IWSTATE, temp);
                info->q2_data_written = (u8)FIELD_GET(IRDMA_AEQE_Q2DATA, temp);
                info->aeqe_overflow = (bool)FIELD_GET(IRDMA_AEQE_OVERFLOW,
                                                      temp);
        }

        info->ae_src = ae_src;
        switch (info->ae_id) {
        case IRDMA_AE_SRQ_LIMIT:
                info->srq = true;
                /* [63:6] from CMPL_CTXT, [5:0] from WQDESCIDX. */
                info->compl_ctx = compl_ctx;
                ae_src = IRDMA_AE_SOURCE_RSVD;
                break;
        case IRDMA_AE_PRIV_OPERATION_DENIED:
        case IRDMA_AE_AMP_INVALIDATE_TYPE1_MW:
        case IRDMA_AE_AMP_MWBIND_ZERO_BASED_TYPE1_MW:
        case IRDMA_AE_AMP_FASTREG_INVALID_PBL_HPS_CFG:
        case IRDMA_AE_AMP_FASTREG_PBLE_MISMATCH:
        case IRDMA_AE_UDA_XMIT_DGRAM_TOO_LONG:
        case IRDMA_AE_UDA_XMIT_BAD_PD:
        case IRDMA_AE_UDA_XMIT_DGRAM_TOO_SHORT:
        case IRDMA_AE_BAD_CLOSE:
        case IRDMA_AE_RDMA_READ_WHILE_ORD_ZERO:
        case IRDMA_AE_STAG_ZERO_INVALID:
        case IRDMA_AE_IB_RREQ_AND_Q1_FULL:
        case IRDMA_AE_IB_INVALID_REQUEST:
        case IRDMA_AE_WQE_UNEXPECTED_OPCODE:
        case IRDMA_AE_IB_REMOTE_ACCESS_ERROR:
        case IRDMA_AE_IB_REMOTE_OP_ERROR:
        case IRDMA_AE_DDP_UBE_INVALID_DDP_VERSION:
        case IRDMA_AE_DDP_UBE_INVALID_MO:
        case IRDMA_AE_DDP_UBE_INVALID_QN:
        case IRDMA_AE_DDP_NO_L_BIT:
        case IRDMA_AE_RDMAP_ROE_INVALID_RDMAP_VERSION:
        case IRDMA_AE_RDMAP_ROE_UNEXPECTED_OPCODE:
        case IRDMA_AE_ROE_INVALID_RDMA_READ_REQUEST:
        case IRDMA_AE_ROE_INVALID_RDMA_WRITE_OR_READ_RESP:
        case IRDMA_AE_ROCE_RSP_LENGTH_ERROR:
        case IRDMA_AE_INVALID_ARP_ENTRY:
        case IRDMA_AE_INVALID_TCP_OPTION_RCVD:
        case IRDMA_AE_STALE_ARP_ENTRY:
        case IRDMA_AE_INVALID_AH_ENTRY:
        case IRDMA_AE_LLP_RECEIVED_MPA_CRC_ERROR:
        case IRDMA_AE_LLP_SEGMENT_TOO_SMALL:
        case IRDMA_AE_LLP_TOO_MANY_RETRIES:
        case IRDMA_AE_LLP_TOO_MANY_RNRS:
        case IRDMA_AE_REMOTE_QP_CATASTROPHIC:
        case IRDMA_AE_LOCAL_QP_CATASTROPHIC:
        case IRDMA_AE_RCE_QP_CATASTROPHIC:
        case IRDMA_AE_LLP_DOUBT_REACHABILITY:
        case IRDMA_AE_LLP_CONNECTION_ESTABLISHED:
        case IRDMA_AE_RESET_SENT:
        case IRDMA_AE_TERMINATE_SENT:
        case IRDMA_AE_RESET_NOT_SENT:
        case IRDMA_AE_LCE_QP_CATASTROPHIC:
        case IRDMA_AE_QP_SUSPEND_COMPLETE:
        case IRDMA_AE_UDA_L4LEN_INVALID:
                info->qp = true;
                info->compl_ctx = compl_ctx;
                break;
        case IRDMA_AE_LCE_CQ_CATASTROPHIC:
                info->cq = true;
                info->compl_ctx = compl_ctx << 1;
                ae_src = IRDMA_AE_SOURCE_RSVD;
                break;
        case IRDMA_AE_CQP_DEFERRED_COMPLETE:
                info->def_info = info->wqe_idx;
                ae_src = IRDMA_AE_SOURCE_RSVD;
                break;
        case IRDMA_AE_ROCE_EMPTY_MCG:
        case IRDMA_AE_ROCE_BAD_MC_IP_ADDR:
        case IRDMA_AE_ROCE_BAD_MC_QPID:
        case IRDMA_AE_MCG_QP_PROTOCOL_MISMATCH:
                fallthrough;
        case IRDMA_AE_LLP_CONNECTION_RESET:
        case IRDMA_AE_LLP_SYN_RECEIVED:
        case IRDMA_AE_LLP_FIN_RECEIVED:
        case IRDMA_AE_LLP_CLOSE_COMPLETE:
        case IRDMA_AE_LLP_TERMINATE_RECEIVED:
        case IRDMA_AE_RDMAP_ROE_BAD_LLP_CLOSE:
                ae_src = IRDMA_AE_SOURCE_RSVD;
                info->qp = true;
                info->compl_ctx = compl_ctx;
                break;
        default:
                break;
        }

        switch (ae_src) {
        case IRDMA_AE_SOURCE_RQ:
        case IRDMA_AE_SOURCE_RQ_0011:
                info->qp = true;
                info->rq = true;
                info->compl_ctx = compl_ctx;
                info->err_rq_idx_valid = true;
                break;
        case IRDMA_AE_SOURCE_CQ:
        case IRDMA_AE_SOURCE_CQ_0110:
        case IRDMA_AE_SOURCE_CQ_1010:
        case IRDMA_AE_SOURCE_CQ_1110:
                info->cq = true;
                info->compl_ctx = compl_ctx << 1;
                break;
        case IRDMA_AE_SOURCE_SQ:
        case IRDMA_AE_SOURCE_SQ_0111:
                info->qp = true;
                info->sq = true;
                info->compl_ctx = compl_ctx;
                break;
        case IRDMA_AE_SOURCE_IN_RR_WR:
                info->qp = true;
                if (aeq->dev->hw_attrs.uk_attrs.hw_rev >= IRDMA_GEN_3)
                        info->err_rq_idx_valid = true;
                info->compl_ctx = compl_ctx;
                info->in_rdrsp_wr = true;
                break;
        case IRDMA_AE_SOURCE_IN_RR_WR_1011:
                info->qp = true;
                if (aeq->dev->hw_attrs.uk_attrs.hw_rev >= IRDMA_GEN_3) {
                        info->sq = true;
                        info->err_rq_idx_valid = true;
                }
                info->compl_ctx = compl_ctx;
                info->in_rdrsp_wr = true;
                break;
        case IRDMA_AE_SOURCE_OUT_RR:
        case IRDMA_AE_SOURCE_OUT_RR_1111:
                info->qp = true;
                info->compl_ctx = compl_ctx;
                info->out_rdrsp = true;
                break;
        case IRDMA_AE_SOURCE_RSVD:
        default:
                break;
        }

        IRDMA_RING_MOVE_TAIL(aeq->aeq_ring);
        if (!IRDMA_RING_CURRENT_TAIL(aeq->aeq_ring))
                aeq->polarity ^= 1;

        return 0;
}

/**
 * irdma_sc_repost_aeq_entries - repost completed aeq entries
 * @dev: sc device struct
 * @count: allocate count
 */
void irdma_sc_repost_aeq_entries(struct irdma_sc_dev *dev, u32 count)
{
        writel(count, dev->hw_regs[IRDMA_AEQALLOC]);
}

/**
 * irdma_sc_ccq_init - initialize control cq
 * @cq: sc's cq ctruct
 * @info: info for control cq initialization
 */
int irdma_sc_ccq_init(struct irdma_sc_cq *cq, struct irdma_ccq_init_info *info)
{
        u32 pble_obj_cnt;

        if (info->num_elem < info->dev->hw_attrs.uk_attrs.min_hw_cq_size ||
            info->num_elem > info->dev->hw_attrs.uk_attrs.max_hw_cq_size)
                return -EINVAL;

        if (info->ceq_id >= info->dev->hmc_fpm_misc.max_ceqs)
                return -EINVAL;

        pble_obj_cnt = info->dev->hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].cnt;

        if (info->virtual_map && info->first_pm_pbl_idx >= pble_obj_cnt)
                return -EINVAL;

        cq->cq_pa = info->cq_pa;
        cq->cq_uk.cq_base = info->cq_base;
        cq->shadow_area_pa = info->shadow_area_pa;
        cq->cq_uk.shadow_area = info->shadow_area;
        cq->shadow_read_threshold = info->shadow_read_threshold;
        cq->dev = info->dev;
        cq->ceq_id = info->ceq_id;
        cq->cq_uk.cq_size = info->num_elem;
        cq->cq_type = IRDMA_CQ_TYPE_CQP;
        cq->ceqe_mask = info->ceqe_mask;
        IRDMA_RING_INIT(cq->cq_uk.cq_ring, info->num_elem);
        cq->cq_uk.cq_id = 0; /* control cq is id 0 always */
        cq->ceq_id_valid = info->ceq_id_valid;
        cq->tph_en = info->tph_en;
        cq->tph_val = info->tph_val;
        cq->cq_uk.avoid_mem_cflct = info->avoid_mem_cflct;
        cq->pbl_list = info->pbl_list;
        cq->virtual_map = info->virtual_map;
        cq->pbl_chunk_size = info->pbl_chunk_size;
        cq->first_pm_pbl_idx = info->first_pm_pbl_idx;
        cq->cq_uk.polarity = true;
        cq->vsi = info->vsi;
        cq->cq_uk.cq_ack_db = cq->dev->cq_ack_db;

        /* Only applicable to CQs other than CCQ so initialize to zero */
        cq->cq_uk.cqe_alloc_db = NULL;

        info->dev->ccq = cq;
        return 0;
}

/**
 * irdma_sc_ccq_create_done - poll cqp for ccq create
 * @ccq: ccq sc struct
 */
static inline int irdma_sc_ccq_create_done(struct irdma_sc_cq *ccq)
{
        struct irdma_sc_cqp *cqp;

        cqp = ccq->dev->cqp;

        return irdma_sc_poll_for_cqp_op_done(cqp, IRDMA_CQP_OP_CREATE_CQ, NULL);
}

/**
 * irdma_sc_ccq_create - create control cq
 * @ccq: ccq sc struct
 * @scratch: u64 saved to be used during cqp completion
 * @check_overflow: overlow flag for ccq
 * @post_sq: flag for cqp db to ring
 */
int irdma_sc_ccq_create(struct irdma_sc_cq *ccq, u64 scratch,
                        bool check_overflow, bool post_sq)
{
        int ret_code;

        ret_code = irdma_sc_cq_create(ccq, scratch, check_overflow, post_sq);
        if (ret_code)
                return ret_code;

        if (post_sq) {
                ret_code = irdma_sc_ccq_create_done(ccq);
                if (ret_code)
                        return ret_code;
        }
        ccq->dev->cqp->process_cqp_sds = irdma_cqp_sds_cmd;

        return 0;
}

/**
 * irdma_sc_ccq_destroy - destroy ccq during close
 * @ccq: ccq sc struct
 * @scratch: u64 saved to be used during cqp completion
 * @post_sq: flag for cqp db to ring
 */
int irdma_sc_ccq_destroy(struct irdma_sc_cq *ccq, u64 scratch, bool post_sq)
{
        struct irdma_sc_cqp *cqp;
        __le64 *wqe;
        u64 hdr;
        int ret_code = 0;
        u32 tail, val, error;

        cqp = ccq->dev->cqp;
        wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
        if (!wqe)
                return -ENOMEM;

        set_64bit_val(wqe, 0, ccq->cq_uk.cq_size);
        set_64bit_val(wqe, 8, ccq->cq_uk.cq_id);
        set_64bit_val(wqe, 40, ccq->shadow_area_pa);

        hdr = ccq->cq_uk.cq_id |
              FLD_LS_64(ccq->dev, (ccq->ceq_id_valid ? ccq->ceq_id : 0),
                        IRDMA_CQPSQ_CQ_CEQID) |
              FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_DESTROY_CQ) |
              FIELD_PREP(IRDMA_CQPSQ_CQ_ENCEQEMASK, ccq->ceqe_mask) |
              FIELD_PREP(IRDMA_CQPSQ_CQ_CEQIDVALID, ccq->ceq_id_valid) |
              FIELD_PREP(IRDMA_CQPSQ_TPHEN, ccq->tph_en) |
              FIELD_PREP(IRDMA_CQPSQ_CQ_AVOIDMEMCNFLCT, ccq->cq_uk.avoid_mem_cflct) |
              FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
        dma_wmb(); /* make sure WQE is written before valid bit is set */

        set_64bit_val(wqe, 24, hdr);

        print_hex_dump_debug("WQE: CCQ_DESTROY WQE", DUMP_PREFIX_OFFSET, 16,
                             8, wqe, IRDMA_CQP_WQE_SIZE * 8, false);
        irdma_get_cqp_reg_info(cqp, &val, &tail, &error);

        if (post_sq) {
                irdma_sc_cqp_post_sq(cqp);
                ret_code = irdma_cqp_poll_registers(cqp, tail,
                                                    cqp->dev->hw_attrs.max_done_count);
        }

        cqp->process_cqp_sds = irdma_update_sds_noccq;

        return ret_code;
}

/**
 * irdma_sc_init_iw_hmc() - queries fpm values using cqp and populates hmc_info
 * @dev : ptr to irdma_dev struct
 * @hmc_fn_id: hmc function id
 */
int irdma_sc_init_iw_hmc(struct irdma_sc_dev *dev, u8 hmc_fn_id)
{
        struct irdma_hmc_info *hmc_info;
        struct irdma_hmc_fpm_misc *hmc_fpm_misc;
        struct irdma_dma_mem query_fpm_mem;
        int ret_code = 0;
        u8 wait_type;

        hmc_info = dev->hmc_info;
        hmc_fpm_misc = &dev->hmc_fpm_misc;
        query_fpm_mem.pa = dev->fpm_query_buf_pa;
        query_fpm_mem.va = dev->fpm_query_buf;
        hmc_info->hmc_fn_id = hmc_fn_id;
        wait_type = (u8)IRDMA_CQP_WAIT_POLL_REGS;

        ret_code = irdma_sc_query_fpm_val(dev->cqp, 0, hmc_info->hmc_fn_id,
                                          &query_fpm_mem, true, wait_type);
        if (ret_code)
                return ret_code;

        /* parse the fpm_query_buf and fill hmc obj info */
        ret_code = irdma_sc_parse_fpm_query_buf(dev, query_fpm_mem.va, hmc_info,
                                                hmc_fpm_misc);

        print_hex_dump_debug("HMC: QUERY FPM BUFFER", DUMP_PREFIX_OFFSET, 16,
                             8, query_fpm_mem.va, IRDMA_QUERY_FPM_BUF_SIZE,
                             false);
        return ret_code;
}

/**
 * irdma_set_loc_mem() - set a local memory bit field
 * @buf: ptr to a buffer where local memory gets enabled
 */
static void irdma_set_loc_mem(__le64 *buf)
{
        u64 loc_mem_en = BIT_ULL(ENABLE_LOC_MEM);
        u32 offset;
        u64 temp;

        for (offset = 0; offset < IRDMA_COMMIT_FPM_BUF_SIZE;
             offset += sizeof(__le64)) {
                if (offset == IRDMA_PBLE_COMMIT_OFFSET)
                        continue;
                get_64bit_val(buf, offset, &temp);
                if (temp)
                        set_64bit_val(buf, offset, temp | loc_mem_en);
        }
}

/**
 * irdma_sc_cfg_iw_fpm() - commits hmc obj cnt values using cqp
 * command and populates fpm base address in hmc_info
 * @dev : ptr to irdma_dev struct
 * @hmc_fn_id: hmc function id
 */
static int irdma_sc_cfg_iw_fpm(struct irdma_sc_dev *dev, u8 hmc_fn_id)
{
        struct irdma_hmc_info *hmc_info;
        struct irdma_hmc_obj_info *obj_info;
        __le64 *buf;
        struct irdma_dma_mem commit_fpm_mem;
        int ret_code = 0;
        u8 wait_type;

        hmc_info = dev->hmc_info;
        obj_info = hmc_info->hmc_obj;
        buf = dev->fpm_commit_buf;

        set_64bit_val(buf, 0, (u64)obj_info[IRDMA_HMC_IW_QP].cnt);
        set_64bit_val(buf, 8, (u64)obj_info[IRDMA_HMC_IW_CQ].cnt);
        set_64bit_val(buf, 16, (u64)obj_info[IRDMA_HMC_IW_SRQ].cnt);
        set_64bit_val(buf, 24, (u64)obj_info[IRDMA_HMC_IW_HTE].cnt);
        set_64bit_val(buf, 32, (u64)obj_info[IRDMA_HMC_IW_ARP].cnt);
        set_64bit_val(buf, 40, (u64)0); /* RSVD */
        set_64bit_val(buf, 48, (u64)obj_info[IRDMA_HMC_IW_MR].cnt);
        set_64bit_val(buf, 56, (u64)obj_info[IRDMA_HMC_IW_XF].cnt);
        set_64bit_val(buf, 64, (u64)obj_info[IRDMA_HMC_IW_XFFL].cnt);
        set_64bit_val(buf, 72, (u64)obj_info[IRDMA_HMC_IW_Q1].cnt);
        set_64bit_val(buf, 80, (u64)obj_info[IRDMA_HMC_IW_Q1FL].cnt);
        set_64bit_val(buf, 88,
                      (u64)obj_info[IRDMA_HMC_IW_TIMER].cnt);
        set_64bit_val(buf, 96,
                      (u64)obj_info[IRDMA_HMC_IW_FSIMC].cnt);
        set_64bit_val(buf, 104,
                      (u64)obj_info[IRDMA_HMC_IW_FSIAV].cnt);
        set_64bit_val(buf, 112,
                      (u64)obj_info[IRDMA_HMC_IW_PBLE].cnt);
        set_64bit_val(buf, 120, (u64)0); /* RSVD */
        set_64bit_val(buf, 128, (u64)obj_info[IRDMA_HMC_IW_RRF].cnt);
        set_64bit_val(buf, 136,
                      (u64)obj_info[IRDMA_HMC_IW_RRFFL].cnt);
        set_64bit_val(buf, 144, (u64)obj_info[IRDMA_HMC_IW_HDR].cnt);
        set_64bit_val(buf, 152, (u64)obj_info[IRDMA_HMC_IW_MD].cnt);
        set_64bit_val(buf, 160,
                      (u64)obj_info[IRDMA_HMC_IW_OOISC].cnt);
        set_64bit_val(buf, 168,
                      (u64)obj_info[IRDMA_HMC_IW_OOISCFFL].cnt);
        if (dev->hw_attrs.uk_attrs.hw_rev >= IRDMA_GEN_3 &&
            dev->hmc_fpm_misc.loc_mem_pages)
                irdma_set_loc_mem(buf);
        commit_fpm_mem.pa = dev->fpm_commit_buf_pa;
        commit_fpm_mem.va = dev->fpm_commit_buf;

        wait_type = (u8)IRDMA_CQP_WAIT_POLL_REGS;
        print_hex_dump_debug("HMC: COMMIT FPM BUFFER", DUMP_PREFIX_OFFSET, 16,
                             8, commit_fpm_mem.va, IRDMA_COMMIT_FPM_BUF_SIZE,
                             false);
        ret_code = irdma_sc_commit_fpm_val(dev->cqp, 0, hmc_info->hmc_fn_id,
                                           &commit_fpm_mem, true, wait_type);
        if (!ret_code)
                irdma_sc_parse_fpm_commit_buf(dev, dev->fpm_commit_buf,
                                              hmc_info->hmc_obj,
                                              &hmc_info->sd_table.sd_cnt);
        print_hex_dump_debug("HMC: COMMIT FPM BUFFER", DUMP_PREFIX_OFFSET, 16,
                             8, commit_fpm_mem.va, IRDMA_COMMIT_FPM_BUF_SIZE,
                             false);

        return ret_code;
}

/**
 * cqp_sds_wqe_fill - fill cqp wqe doe sd
 * @cqp: struct for cqp hw
 * @info: sd info for wqe
 * @scratch: u64 saved to be used during cqp completion
 */
static int cqp_sds_wqe_fill(struct irdma_sc_cqp *cqp,
                            struct irdma_update_sds_info *info, u64 scratch)
{
        u64 data;
        u64 hdr;
        __le64 *wqe;
        int mem_entries, wqe_entries;
        struct irdma_dma_mem *sdbuf = &cqp->sdbuf;
        u64 offset = 0;
        u32 wqe_idx;

        wqe = irdma_sc_cqp_get_next_send_wqe_idx(cqp, scratch, &wqe_idx);
        if (!wqe)
                return -ENOMEM;

        wqe_entries = (info->cnt > 3) ? 3 : info->cnt;
        mem_entries = info->cnt - wqe_entries;

        if (mem_entries) {
                offset = wqe_idx * IRDMA_UPDATE_SD_BUFF_SIZE;
                memcpy(((char *)sdbuf->va + offset), &info->entry[3], mem_entries << 4);

                data = (u64)sdbuf->pa + offset;
        } else {
                data = 0;
        }
        data |= FIELD_PREP(IRDMA_CQPSQ_UPESD_HMCFNID, info->hmc_fn_id);
        set_64bit_val(wqe, 16, data);

        switch (wqe_entries) {
        case 3:
                set_64bit_val(wqe, 48,
                              (FIELD_PREP(IRDMA_CQPSQ_UPESD_SDCMD, info->entry[2].cmd) |
                               FIELD_PREP(IRDMA_CQPSQ_UPESD_ENTRY_VALID, 1)));

                set_64bit_val(wqe, 56, info->entry[2].data);
                fallthrough;
        case 2:
                set_64bit_val(wqe, 32,
                              (FIELD_PREP(IRDMA_CQPSQ_UPESD_SDCMD, info->entry[1].cmd) |
                               FIELD_PREP(IRDMA_CQPSQ_UPESD_ENTRY_VALID, 1)));

                set_64bit_val(wqe, 40, info->entry[1].data);
                fallthrough;
        case 1:
                set_64bit_val(wqe, 0,
                              FIELD_PREP(IRDMA_CQPSQ_UPESD_SDCMD, info->entry[0].cmd));

                set_64bit_val(wqe, 8, info->entry[0].data);
                break;
        default:
                break;
        }

        hdr = FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_UPDATE_PE_SDS) |
              FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity) |
              FIELD_PREP(IRDMA_CQPSQ_UPESD_ENTRY_COUNT, mem_entries);
        dma_wmb(); /* make sure WQE is written before valid bit is set */

        set_64bit_val(wqe, 24, hdr);

        if (mem_entries)
                print_hex_dump_debug("WQE: UPDATE_PE_SDS WQE Buffer",
                                     DUMP_PREFIX_OFFSET, 16, 8,
                                     (char *)sdbuf->va + offset,
                                     mem_entries << 4, false);

        print_hex_dump_debug("WQE: UPDATE_PE_SDS WQE", DUMP_PREFIX_OFFSET, 16,
                             8, wqe, IRDMA_CQP_WQE_SIZE * 8, false);

        return 0;
}

/**
 * irdma_update_pe_sds - cqp wqe for sd
 * @dev: ptr to irdma_dev struct
 * @info: sd info for sd's
 * @scratch: u64 saved to be used during cqp completion
 */
static int irdma_update_pe_sds(struct irdma_sc_dev *dev,
                               struct irdma_update_sds_info *info, u64 scratch)
{
        struct irdma_sc_cqp *cqp = dev->cqp;
        int ret_code;

        ret_code = cqp_sds_wqe_fill(cqp, info, scratch);
        if (!ret_code)
                irdma_sc_cqp_post_sq(cqp);

        return ret_code;
}

/**
 * irdma_update_sds_noccq - update sd before ccq created
 * @dev: sc device struct
 * @info: sd info for sd's
 */
int irdma_update_sds_noccq(struct irdma_sc_dev *dev,
                           struct irdma_update_sds_info *info)
{
        u32 error, val, tail;
        struct irdma_sc_cqp *cqp = dev->cqp;
        int ret_code;

        ret_code = cqp_sds_wqe_fill(cqp, info, 0);
        if (ret_code)
                return ret_code;

        irdma_get_cqp_reg_info(cqp, &val, &tail, &error);

        irdma_sc_cqp_post_sq(cqp);
        return irdma_cqp_poll_registers(cqp, tail,
                                        cqp->dev->hw_attrs.max_done_count);
}

/**
 * irdma_sc_static_hmc_pages_allocated - cqp wqe to allocate hmc pages
 * @cqp: struct for cqp hw
 * @scratch: u64 saved to be used during cqp completion
 * @hmc_fn_id: hmc function id
 * @post_sq: flag for cqp db to ring
 * @poll_registers: flag to poll register for cqp completion
 */
int irdma_sc_static_hmc_pages_allocated(struct irdma_sc_cqp *cqp, u64 scratch,
                                        u8 hmc_fn_id, bool post_sq,
                                        bool poll_registers)
{
        u64 hdr;
        __le64 *wqe;
        u32 tail, val, error;

        wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
        if (!wqe)
                return -ENOMEM;

        set_64bit_val(wqe, 16,
                      FIELD_PREP(IRDMA_SHMC_PAGE_ALLOCATED_HMC_FN_ID, hmc_fn_id));

        hdr = FIELD_PREP(IRDMA_CQPSQ_OPCODE,
                         IRDMA_CQP_OP_SHMC_PAGES_ALLOCATED) |
              FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
        dma_wmb(); /* make sure WQE is written before valid bit is set */

        set_64bit_val(wqe, 24, hdr);

        print_hex_dump_debug("WQE: SHMC_PAGES_ALLOCATED WQE",
                             DUMP_PREFIX_OFFSET, 16, 8, wqe,
                             IRDMA_CQP_WQE_SIZE * 8, false);
        irdma_get_cqp_reg_info(cqp, &val, &tail, &error);

        if (post_sq) {
                irdma_sc_cqp_post_sq(cqp);
                if (poll_registers)
                        /* check for cqp sq tail update */
                        return irdma_cqp_poll_registers(cqp, tail,
                                                        cqp->dev->hw_attrs.max_done_count);
                else
                        return irdma_sc_poll_for_cqp_op_done(cqp,
                                                             IRDMA_CQP_OP_SHMC_PAGES_ALLOCATED,
                                                             NULL);
        }

        return 0;
}

/**
 * irdma_cqp_ring_full - check if cqp ring is full
 * @cqp: struct for cqp hw
 */
static bool irdma_cqp_ring_full(struct irdma_sc_cqp *cqp)
{
        return IRDMA_RING_FULL_ERR(cqp->sq_ring);
}

/**
 * irdma_est_sd - returns approximate number of SDs for HMC
 * @dev: sc device struct
 * @hmc_info: hmc structure, size and count for HMC objects
 */
static u32 irdma_est_sd(struct irdma_sc_dev *dev,
                        struct irdma_hmc_info *hmc_info)
{
        struct irdma_hmc_obj_info *pble_info;
        int i;
        u64 size = 0;
        u64 sd;

        for (i = IRDMA_HMC_IW_QP; i < IRDMA_HMC_IW_MAX; i++)
                if (i != IRDMA_HMC_IW_PBLE)
                        size += round_up(hmc_info->hmc_obj[i].cnt *
                                         hmc_info->hmc_obj[i].size, 512);

        pble_info = &hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE];
        if (dev->privileged)
                size += round_up(pble_info->cnt * pble_info->size, 512);
        if (size & 0x1FFFFF)
                sd = (size >> 21) + 1; /* add 1 for remainder */
        else
                sd = size >> 21;
        if (!dev->privileged && !dev->hmc_fpm_misc.loc_mem_pages) {
                /* 2MB alignment for VF PBLE HMC */
                size = pble_info->cnt * pble_info->size;
                if (size & 0x1FFFFF)
                        sd += (size >> 21) + 1; /* add 1 for remainder */
                else
                        sd += size >> 21;
        }
        if (sd > 0xFFFFFFFF) {
                ibdev_dbg(to_ibdev(dev), "HMC: sd overflow[%lld]\n", sd);
                sd = 0xFFFFFFFF - 1;
        }

        return (u32)sd;
}

/**
 * irdma_sc_query_rdma_features - query RDMA features and FW ver
 * @cqp: struct for cqp hw
 * @buf: buffer to hold query info
 * @scratch: u64 saved to be used during cqp completion
 */
static int irdma_sc_query_rdma_features(struct irdma_sc_cqp *cqp,
                                        struct irdma_dma_mem *buf, u64 scratch)
{
        u32 tail, val, error;
        __le64 *wqe;
        int status;
        u64 temp;

        wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
        if (!wqe)
                return -ENOMEM;

        temp = buf->pa;
        set_64bit_val(wqe, 32, temp);

        temp = FIELD_PREP(IRDMA_CQPSQ_QUERY_RDMA_FEATURES_WQEVALID,
                          cqp->polarity) |
               FIELD_PREP(IRDMA_CQPSQ_QUERY_RDMA_FEATURES_BUF_LEN, buf->size) |
               FIELD_PREP(IRDMA_CQPSQ_UP_OP, IRDMA_CQP_OP_QUERY_RDMA_FEATURES);
        dma_wmb(); /* make sure WQE is written before valid bit is set */

        set_64bit_val(wqe, 24, temp);

        print_hex_dump_debug("WQE: QUERY RDMA FEATURES", DUMP_PREFIX_OFFSET,
                             16, 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false);
        irdma_get_cqp_reg_info(cqp, &val, &tail, &error);

        irdma_sc_cqp_post_sq(cqp);
        status = irdma_cqp_poll_registers(cqp, tail,
                                          cqp->dev->hw_attrs.max_done_count);
        if (error || status)
                status = -EINVAL;

        return status;
}

/**
 * irdma_get_rdma_features - get RDMA features
 * @dev: sc device struct
 */
int irdma_get_rdma_features(struct irdma_sc_dev *dev)
{
        int ret_code;
        struct irdma_dma_mem feat_buf;
        u64 temp;
        u16 byte_idx, feat_type, feat_cnt, feat_idx;

        feat_buf.size = ALIGN(IRDMA_FEATURE_BUF_SIZE,
                              IRDMA_FEATURE_BUF_ALIGNMENT);
        feat_buf.va = dma_alloc_coherent(dev->hw->device, feat_buf.size,
                                         &feat_buf.pa, GFP_KERNEL);
        if (!feat_buf.va)
                return -ENOMEM;

        ret_code = irdma_sc_query_rdma_features(dev->cqp, &feat_buf, 0);
        if (ret_code)
                goto exit;

        get_64bit_val(feat_buf.va, 0, &temp);
        feat_cnt = (u16)FIELD_GET(IRDMA_FEATURE_CNT, temp);
        if (feat_cnt < 2) {
                ret_code = -EINVAL;
                goto exit;
        } else if (feat_cnt > IRDMA_MAX_FEATURES) {
                ibdev_dbg(to_ibdev(dev),
                          "DEV: feature buf size insufficient, retrying with larger buffer\n");
                dma_free_coherent(dev->hw->device, feat_buf.size, feat_buf.va,
                                  feat_buf.pa);
                feat_buf.va = NULL;
                feat_buf.size = ALIGN(8 * feat_cnt,
                                      IRDMA_FEATURE_BUF_ALIGNMENT);
                feat_buf.va = dma_alloc_coherent(dev->hw->device,
                                                 feat_buf.size, &feat_buf.pa,
                                                 GFP_KERNEL);
                if (!feat_buf.va)
                        return -ENOMEM;

                ret_code = irdma_sc_query_rdma_features(dev->cqp, &feat_buf, 0);
                if (ret_code)
                        goto exit;

                get_64bit_val(feat_buf.va, 0, &temp);
                feat_cnt = (u16)FIELD_GET(IRDMA_FEATURE_CNT, temp);
                if (feat_cnt < 2) {
                        ret_code = -EINVAL;
                        goto exit;
                }
        }

        print_hex_dump_debug("WQE: QUERY RDMA FEATURES", DUMP_PREFIX_OFFSET,
                             16, 8, feat_buf.va, feat_cnt * 8, false);

        for (byte_idx = 0, feat_idx = 0; feat_idx < min(feat_cnt, (u16)IRDMA_MAX_FEATURES);
             feat_idx++, byte_idx += 8) {
                get_64bit_val(feat_buf.va, byte_idx, &temp);
                feat_type = FIELD_GET(IRDMA_FEATURE_TYPE, temp);
                if (feat_type >= IRDMA_MAX_FEATURES) {
                        ibdev_dbg(to_ibdev(dev),
                                  "DEV: found unrecognized feature type %d\n",
                                  feat_type);
                        continue;
                }
                dev->feature_info[feat_type] = temp;
        }

        if (dev->feature_info[IRDMA_FTN_FLAGS] & IRDMA_ATOMICS_ALLOWED_BIT)
                dev->hw_attrs.uk_attrs.feature_flags |= IRDMA_FEATURE_ATOMIC_OPS;

exit:
        dma_free_coherent(dev->hw->device, feat_buf.size, feat_buf.va,
                          feat_buf.pa);
        feat_buf.va = NULL;
        return ret_code;
}

static u32 irdma_q1_cnt(struct irdma_sc_dev *dev,
                        struct irdma_hmc_info *hmc_info, u32 qpwanted)
{
        u32 q1_cnt;

        if (dev->hw_attrs.uk_attrs.hw_rev == IRDMA_GEN_1) {
                q1_cnt = roundup_pow_of_two(dev->hw_attrs.max_hw_ird * 2 * qpwanted);
        } else {
                if (dev->cqp->protocol_used != IRDMA_IWARP_PROTOCOL_ONLY)
                        q1_cnt = roundup_pow_of_two(dev->hw_attrs.max_hw_ird * 2 * qpwanted + 512);
                else
                        q1_cnt = dev->hw_attrs.max_hw_ird * 2 * qpwanted;
        }

        return q1_cnt;
}

static void cfg_fpm_value_gen_1(struct irdma_sc_dev *dev,
                                struct irdma_hmc_info *hmc_info, u32 qpwanted)
{
        hmc_info->hmc_obj[IRDMA_HMC_IW_XF].cnt = roundup_pow_of_two(qpwanted * dev->hw_attrs.max_hw_wqes);
}

static void cfg_fpm_value_gen_2(struct irdma_sc_dev *dev,
                                struct irdma_hmc_info *hmc_info, u32 qpwanted)
{
        struct irdma_hmc_fpm_misc *hmc_fpm_misc = &dev->hmc_fpm_misc;

        hmc_info->hmc_obj[IRDMA_HMC_IW_XF].cnt =
                4 * hmc_fpm_misc->xf_block_size * qpwanted;

        hmc_info->hmc_obj[IRDMA_HMC_IW_HDR].cnt = qpwanted;

        if (hmc_info->hmc_obj[IRDMA_HMC_IW_RRF].max_cnt)
                hmc_info->hmc_obj[IRDMA_HMC_IW_RRF].cnt = 32 * qpwanted;
        if (hmc_info->hmc_obj[IRDMA_HMC_IW_RRFFL].max_cnt)
                hmc_info->hmc_obj[IRDMA_HMC_IW_RRFFL].cnt =
                        hmc_info->hmc_obj[IRDMA_HMC_IW_RRF].cnt /
                        hmc_fpm_misc->rrf_block_size;
        if (hmc_info->hmc_obj[IRDMA_HMC_IW_OOISC].max_cnt)
                hmc_info->hmc_obj[IRDMA_HMC_IW_OOISC].cnt = 32 * qpwanted;
        if (hmc_info->hmc_obj[IRDMA_HMC_IW_OOISCFFL].max_cnt)
                hmc_info->hmc_obj[IRDMA_HMC_IW_OOISCFFL].cnt =
                        hmc_info->hmc_obj[IRDMA_HMC_IW_OOISC].cnt /
                        hmc_fpm_misc->ooiscf_block_size;
}

/**
 * irdma_get_rsrc_mem_config - configure resources if local memory or host
 * @dev: sc device struct
 * @is_mrte_loc_mem: if true, MR's to be in local memory because sd=loc pages
 *
 * Only mr can be configured host or local memory if qp's are in local memory.
 * If qp is in local memory, then all resource object will be in local memory
 * except mr which can be either host or local memory.  The only exception
 * is pble's which are always in host memory.
 */
static void irdma_get_rsrc_mem_config(struct irdma_sc_dev *dev, bool is_mrte_loc_mem)
{
        struct irdma_hmc_info *hmc_info = dev->hmc_info;
        int i;

        for (i = IRDMA_HMC_IW_QP; i < IRDMA_HMC_IW_MAX; i++)
                hmc_info->hmc_obj[i].mem_loc = IRDMA_LOC_MEM;

        if (dev->feature_info[IRDMA_OBJ_1] && !is_mrte_loc_mem) {
                u8 mem_type;

                mem_type = (u8)FIELD_GET(IRDMA_MR_MEM_LOC, dev->feature_info[IRDMA_OBJ_1]);

                hmc_info->hmc_obj[IRDMA_HMC_IW_MR].mem_loc =
                        (mem_type & IRDMA_OBJ_LOC_MEM_BIT) ?
                        IRDMA_LOC_MEM : IRDMA_HOST_MEM;
        } else {
                hmc_info->hmc_obj[IRDMA_HMC_IW_MR].mem_loc = IRDMA_LOC_MEM;
        }

        hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].mem_loc = IRDMA_HOST_MEM;

        ibdev_dbg(to_ibdev(dev), "HMC: INFO: mrte_mem_loc = %d pble = %d\n",
                  hmc_info->hmc_obj[IRDMA_HMC_IW_MR].mem_loc,
                  hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].mem_loc);
}

/**
 * irdma_cfg_sd_mem - allocate sd memory
 * @dev: sc device struct
 * @hmc_info: ptr to irdma_hmc_obj_info struct
 */
static int irdma_cfg_sd_mem(struct irdma_sc_dev *dev,
                            struct irdma_hmc_info *hmc_info)
{
        struct irdma_virt_mem virt_mem;
        u32 mem_size;

        mem_size = sizeof(struct irdma_hmc_sd_entry) * hmc_info->sd_table.sd_cnt;
        virt_mem.size = mem_size;
        virt_mem.va = kzalloc(virt_mem.size, GFP_KERNEL);
        if (!virt_mem.va)
                return -ENOMEM;
        hmc_info->sd_table.sd_entry = virt_mem.va;

        return 0;
}

/**
 * irdma_get_objs_pages - get number of 2M pages needed
 * @dev: sc device struct
 * @hmc_info: pointer to the HMC configuration information struct
 * @mem_loc: pages for local or host memory
 */
static u32 irdma_get_objs_pages(struct irdma_sc_dev *dev,
                                struct irdma_hmc_info *hmc_info,
                                enum irdma_hmc_obj_mem mem_loc)
{
        u64 size = 0;
        int i;

        for (i = IRDMA_HMC_IW_QP; i < IRDMA_HMC_IW_MAX; i++) {
                if (hmc_info->hmc_obj[i].mem_loc == mem_loc) {
                        size += round_up(hmc_info->hmc_obj[i].cnt *
                                         hmc_info->hmc_obj[i].size, 512);
                }
        }

        return DIV_ROUND_UP(size, IRDMA_HMC_PAGE_SIZE);
}

/**
 * irdma_set_host_hmc_rsrc_gen_3 - calculate host hmc resources for gen 3
 * @dev: sc device struct
 */
static void irdma_set_host_hmc_rsrc_gen_3(struct irdma_sc_dev *dev)
{
        struct irdma_hmc_fpm_misc *hmc_fpm_misc;
        struct irdma_hmc_info *hmc_info;
        enum irdma_hmc_obj_mem mrte_loc;
        u32 mrwanted, pblewanted;
        u32  avail_sds, mr_sds;

        hmc_info = dev->hmc_info;
        hmc_fpm_misc = &dev->hmc_fpm_misc;
        avail_sds = hmc_fpm_misc->max_sds;
        mrte_loc = hmc_info->hmc_obj[IRDMA_HMC_IW_MR].mem_loc;
        mrwanted = hmc_info->hmc_obj[IRDMA_HMC_IW_MR].cnt;
        pblewanted = hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].max_cnt;

        if (mrte_loc == IRDMA_HOST_MEM && avail_sds > IRDMA_MIN_PBLE_PAGES) {
                mr_sds = avail_sds - IRDMA_MIN_PBLE_PAGES;
                mrwanted = min(mrwanted, mr_sds * MAX_MR_PER_SD);
                hmc_info->hmc_obj[IRDMA_HMC_IW_MR].cnt = mrwanted;
                avail_sds -= DIV_ROUND_UP(mrwanted, MAX_MR_PER_SD);
        }

        if (FIELD_GET(IRDMA_MANAGE_RSRC_VER2, dev->feature_info[IRDMA_FTN_FLAGS]) &&
            pblewanted > avail_sds * MAX_PBLE_PER_SD)
                ibdev_dbg(to_ibdev(dev),
                          "HMC: Warn: Resource version 2: pble wanted = 0x%x available = 0x%x\n",
                          pblewanted, avail_sds * MAX_PBLE_PER_SD);

        pblewanted = min(pblewanted, avail_sds * MAX_PBLE_PER_SD);
        hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].cnt = pblewanted;
}

/**
 * irdma_verify_commit_fpm_gen_3 - verify query fpm values
 * @dev: sc device struct
 * @max_pages: max local memory available
 * @qpwanted: number of qp's wanted
 */
static int irdma_verify_commit_fpm_gen_3(struct irdma_sc_dev *dev,
                                         u32 max_pages,
                                         u32 qpwanted)
{
        struct irdma_hmc_fpm_misc *hmc_fpm_misc;
        u32 rrf_cnt, xf_cnt, timer_cnt, pages_needed;
        struct irdma_hmc_info *hmc_info;
        u32 rrffl_cnt = 0;
        u32 xffl_cnt = 0;
        u32 q1fl_cnt;

        hmc_info = dev->hmc_info;
        hmc_fpm_misc = &dev->hmc_fpm_misc;

        rrf_cnt = roundup_pow_of_two(IRDMA_RRF_MULTIPLIER * qpwanted);

        if (hmc_info->hmc_obj[IRDMA_HMC_IW_RRFFL].max_cnt)
                rrffl_cnt =
                        hmc_info->hmc_obj[IRDMA_HMC_IW_RRF].cnt /
                        hmc_fpm_misc->rrf_block_size;

        xf_cnt = roundup_pow_of_two(IRDMA_XF_MULTIPLIER * qpwanted);

        if (xf_cnt)
                xffl_cnt = xf_cnt / hmc_fpm_misc->xf_block_size;

        timer_cnt = (round_up(qpwanted, 512) / 512 + 1) *
                hmc_fpm_misc->timer_bucket;

        q1fl_cnt = hmc_info->hmc_obj[IRDMA_HMC_IW_Q1].cnt / hmc_fpm_misc->q1_block_size;

        pages_needed = irdma_get_objs_pages(dev, hmc_info, IRDMA_LOC_MEM);
        if (pages_needed > max_pages) {
                ibdev_dbg(to_ibdev(dev),
                          "HMC: FAIL: SW counts rrf_cnt = %u rrffl_cnt = %u timer_cnt = %u",
                          rrf_cnt, rrffl_cnt, timer_cnt);
                ibdev_dbg(to_ibdev(dev),
                          "HMC: FAIL: SW counts xf_cnt = %u xffl_cnt = %u q1fl_cnt = %u",
                          xf_cnt, xffl_cnt, q1fl_cnt);

                return -EINVAL;
        }

        hmc_fpm_misc->max_sds -= pages_needed;
        hmc_fpm_misc->loc_mem_pages -= pages_needed;

        return 0;
}

/**
 * irdma_set_loc_hmc_rsrc_gen_3 - calculate hmc resources for gen 3
 * @dev: sc device struct
 * @max_pages: max local memory available
 * @qpwanted: number of qp's wanted
 */
static int irdma_set_loc_hmc_rsrc_gen_3(struct irdma_sc_dev *dev,
                                        u32 max_pages,
                                        u32 qpwanted)
{
        struct irdma_hmc_fpm_misc *hmc_fpm_misc;
        u32 rrf_cnt, xf_cnt, timer_cnt, pages_needed;
        struct irdma_hmc_info *hmc_info;
        u32 ird, ord;

        if (FIELD_GET(IRDMA_MANAGE_RSRC_VER2, dev->feature_info[IRDMA_FTN_FLAGS]))
                return irdma_verify_commit_fpm_gen_3(dev, max_pages, qpwanted);

        hmc_info = dev->hmc_info;
        hmc_fpm_misc = &dev->hmc_fpm_misc;
        ird = dev->hw_attrs.max_hw_ird;
        ord = dev->hw_attrs.max_hw_ord;

        hmc_info->hmc_obj[IRDMA_HMC_IW_HDR].cnt = qpwanted;
        hmc_info->hmc_obj[IRDMA_HMC_IW_QP].cnt = qpwanted;

        hmc_info->hmc_obj[IRDMA_HMC_IW_CQ].cnt =
                min(hmc_info->hmc_obj[IRDMA_HMC_IW_CQ].cnt, qpwanted * 2);

        hmc_info->hmc_obj[IRDMA_HMC_IW_FSIAV].cnt =
                min(qpwanted * 8, hmc_info->hmc_obj[IRDMA_HMC_IW_FSIAV].max_cnt);

        rrf_cnt = roundup_pow_of_two(IRDMA_RRF_MULTIPLIER * qpwanted);
        hmc_info->hmc_obj[IRDMA_HMC_IW_RRF].cnt =
                min(hmc_info->hmc_obj[IRDMA_HMC_IW_RRF].max_cnt, rrf_cnt);

        if (hmc_info->hmc_obj[IRDMA_HMC_IW_RRFFL].max_cnt)
                hmc_info->hmc_obj[IRDMA_HMC_IW_RRFFL].cnt =
                        hmc_info->hmc_obj[IRDMA_HMC_IW_RRF].cnt /
                        hmc_fpm_misc->rrf_block_size;

        xf_cnt = roundup_pow_of_two(IRDMA_XF_MULTIPLIER * qpwanted);
        hmc_info->hmc_obj[IRDMA_HMC_IW_XF].cnt =
                min(hmc_info->hmc_obj[IRDMA_HMC_IW_XF].max_cnt, xf_cnt);
        hmc_info->hmc_obj[IRDMA_HMC_IW_XFFL].cnt =
                        xf_cnt / hmc_fpm_misc->xf_block_size;

        timer_cnt = (round_up(qpwanted, 512) / 512 + 1) *
                hmc_fpm_misc->timer_bucket;
        hmc_info->hmc_obj[IRDMA_HMC_IW_TIMER].cnt =
                min(timer_cnt, hmc_info->hmc_obj[IRDMA_HMC_IW_TIMER].cnt);

        do {
                hmc_info->hmc_obj[IRDMA_HMC_IW_Q1].cnt = roundup_pow_of_two(ird * 2 * qpwanted);
                hmc_info->hmc_obj[IRDMA_HMC_IW_Q1FL].cnt =
                        hmc_info->hmc_obj[IRDMA_HMC_IW_Q1].cnt / hmc_fpm_misc->q1_block_size;

                pages_needed = irdma_get_objs_pages(dev, hmc_info, IRDMA_LOC_MEM);
                if (pages_needed <= max_pages)
                        break;

                ird /= 2;
                ord /= 2;
        } while (ird >= IRDMA_MIN_IRD);

        if (ird < IRDMA_MIN_IRD) {
                ibdev_dbg(to_ibdev(dev), "HMC: FAIL: IRD=%u Q1 CNT = %u\n",
                          ird, hmc_info->hmc_obj[IRDMA_HMC_IW_Q1].cnt);
                return -EINVAL;
        }

        dev->hw_attrs.max_hw_ird = ird;
        dev->hw_attrs.max_hw_ord = ord;
        hmc_fpm_misc->max_sds -= pages_needed;

        return 0;
}

/**
 * cfg_fpm_value_gen_3 - configure fpm for gen 3
 * @dev: sc device struct
 * @hmc_info: ptr to irdma_hmc_obj_info struct
 * @hmc_fpm_misc: ptr to fpm data
 */
static int cfg_fpm_value_gen_3(struct irdma_sc_dev *dev,
                               struct irdma_hmc_info *hmc_info,
                               struct irdma_hmc_fpm_misc *hmc_fpm_misc)
{
        enum irdma_hmc_obj_mem mrte_loc;
        u32 mrwanted,  qpwanted;
        int i, ret_code = 0;
        u32 loc_mem_pages;
        bool is_mrte_loc_mem;

        loc_mem_pages = hmc_fpm_misc->loc_mem_pages;
        is_mrte_loc_mem = hmc_fpm_misc->loc_mem_pages == hmc_fpm_misc->max_sds;

        irdma_get_rsrc_mem_config(dev, is_mrte_loc_mem);
        mrte_loc = hmc_info->hmc_obj[IRDMA_HMC_IW_MR].mem_loc;

        if (is_mrte_loc_mem)
                loc_mem_pages -= IRDMA_MIN_PBLE_PAGES;

        ibdev_dbg(to_ibdev(dev),
                  "HMC: mrte_loc %d loc_mem %u fpm max sds %u host_obj %d\n",
                  hmc_info->hmc_obj[IRDMA_HMC_IW_MR].mem_loc,
                  hmc_fpm_misc->loc_mem_pages, hmc_fpm_misc->max_sds,
                  is_mrte_loc_mem);

        mrwanted = hmc_info->hmc_obj[IRDMA_HMC_IW_MR].max_cnt;
        qpwanted = hmc_info->hmc_obj[IRDMA_HMC_IW_QP].max_cnt;
        hmc_info->hmc_obj[IRDMA_HMC_IW_HDR].cnt = qpwanted;

        hmc_info->hmc_obj[IRDMA_HMC_IW_OOISC].max_cnt = 0;
        hmc_info->hmc_obj[IRDMA_HMC_IW_OOISCFFL].max_cnt = 0;
        hmc_info->hmc_obj[IRDMA_HMC_IW_HTE].max_cnt = 0;
        hmc_info->hmc_obj[IRDMA_HMC_IW_FSIMC].max_cnt = 0;

        if (!FIELD_GET(IRDMA_MANAGE_RSRC_VER2, dev->feature_info[IRDMA_FTN_FLAGS]))
                hmc_info->hmc_obj[IRDMA_HMC_IW_FSIAV].max_cnt =
                        min(hmc_info->hmc_obj[IRDMA_HMC_IW_FSIAV].max_cnt,
                        (u32)IRDMA_FSIAV_CNT_MAX);

        for (i = IRDMA_HMC_IW_QP; i < IRDMA_HMC_IW_MAX; i++)
                hmc_info->hmc_obj[i].cnt = hmc_info->hmc_obj[i].max_cnt;

        while (qpwanted >= IRDMA_MIN_QP_CNT) {
                if (!irdma_set_loc_hmc_rsrc_gen_3(dev, loc_mem_pages, qpwanted))
                        break;

                if (FIELD_GET(IRDMA_MANAGE_RSRC_VER2, dev->feature_info[IRDMA_FTN_FLAGS]))
                        return -EINVAL;

                qpwanted /= 2;
                if (mrte_loc == IRDMA_LOC_MEM) {
                        mrwanted = qpwanted * IRDMA_MIN_MR_PER_QP;
                        hmc_info->hmc_obj[IRDMA_HMC_IW_MR].cnt =
                                min(hmc_info->hmc_obj[IRDMA_HMC_IW_MR].max_cnt, mrwanted);
                }
        }

        if (qpwanted < IRDMA_MIN_QP_CNT) {
                ibdev_dbg(to_ibdev(dev),
                          "HMC: ERROR: could not allocate fpm resources\n");
                return -EINVAL;
        }

        irdma_set_host_hmc_rsrc_gen_3(dev);
        ret_code = irdma_sc_cfg_iw_fpm(dev, dev->hmc_fn_id);
        if (ret_code) {
                ibdev_dbg(to_ibdev(dev),
                          "HMC: cfg_iw_fpm returned error_code[x%08X]\n",
                          readl(dev->hw_regs[IRDMA_CQPERRCODES]));

                return ret_code;
        }

        return irdma_cfg_sd_mem(dev, hmc_info);
}

/**
 * irdma_cfg_fpm_val - configure HMC objects
 * @dev: sc device struct
 * @qp_count: desired qp count
 */
int irdma_cfg_fpm_val(struct irdma_sc_dev *dev, u32 qp_count)
{
        u32 qpwanted, mrwanted, pblewanted;
        u32 powerof2, hte, i;
        u32 sd_needed;
        u32 sd_diff;
        u32 loop_count = 0;
        struct irdma_hmc_info *hmc_info;
        struct irdma_hmc_fpm_misc *hmc_fpm_misc;
        int ret_code = 0;
        u32 max_sds;

        hmc_info = dev->hmc_info;
        hmc_fpm_misc = &dev->hmc_fpm_misc;

        ret_code = irdma_sc_init_iw_hmc(dev, dev->hmc_fn_id);
        if (ret_code) {
                ibdev_dbg(to_ibdev(dev),
                          "HMC: irdma_sc_init_iw_hmc returned error_code = %d\n",
                          ret_code);
                return ret_code;
        }

        max_sds = hmc_fpm_misc->max_sds;

        if (dev->hw_attrs.uk_attrs.hw_rev >= IRDMA_GEN_3)
                return cfg_fpm_value_gen_3(dev, hmc_info, hmc_fpm_misc);

        for (i = IRDMA_HMC_IW_QP; i < IRDMA_HMC_IW_MAX; i++)
                hmc_info->hmc_obj[i].cnt = hmc_info->hmc_obj[i].max_cnt;
        sd_needed = irdma_est_sd(dev, hmc_info);
        ibdev_dbg(to_ibdev(dev), "HMC: sd count %u where max sd is %u\n",
                  hmc_info->sd_table.sd_cnt, max_sds);

        qpwanted = min(qp_count, hmc_info->hmc_obj[IRDMA_HMC_IW_QP].max_cnt);

        powerof2 = 1;
        while (powerof2 <= qpwanted)
                powerof2 *= 2;
        powerof2 /= 2;
        qpwanted = powerof2;

        mrwanted = hmc_info->hmc_obj[IRDMA_HMC_IW_MR].max_cnt;
        pblewanted = hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].max_cnt;

        ibdev_dbg(to_ibdev(dev),
                  "HMC: req_qp=%d max_sd=%u, max_qp = %u, max_cq=%u, max_mr=%u, max_pble=%u, mc=%d, av=%u\n",
                  qp_count, max_sds,
                  hmc_info->hmc_obj[IRDMA_HMC_IW_QP].max_cnt,
                  hmc_info->hmc_obj[IRDMA_HMC_IW_CQ].max_cnt,
                  hmc_info->hmc_obj[IRDMA_HMC_IW_MR].max_cnt,
                  hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].max_cnt,
                  hmc_info->hmc_obj[IRDMA_HMC_IW_FSIMC].max_cnt,
                  hmc_info->hmc_obj[IRDMA_HMC_IW_FSIAV].max_cnt);

        hmc_info->hmc_obj[IRDMA_HMC_IW_FSIMC].cnt =
                hmc_info->hmc_obj[IRDMA_HMC_IW_FSIMC].max_cnt;
        hmc_info->hmc_obj[IRDMA_HMC_IW_FSIAV].cnt =
                hmc_info->hmc_obj[IRDMA_HMC_IW_FSIAV].max_cnt;
        hmc_info->hmc_obj[IRDMA_HMC_IW_ARP].cnt =
                hmc_info->hmc_obj[IRDMA_HMC_IW_ARP].max_cnt;
        hmc_info->hmc_obj[IRDMA_HMC_IW_APBVT_ENTRY].cnt = 1;

        while (irdma_q1_cnt(dev, hmc_info, qpwanted) > hmc_info->hmc_obj[IRDMA_HMC_IW_Q1].max_cnt)
                qpwanted /= 2;

        do {
                ++loop_count;
                hmc_info->hmc_obj[IRDMA_HMC_IW_QP].cnt = qpwanted;
                hmc_info->hmc_obj[IRDMA_HMC_IW_CQ].cnt =
                        min(2 * qpwanted, hmc_info->hmc_obj[IRDMA_HMC_IW_CQ].cnt);
                hmc_info->hmc_obj[IRDMA_HMC_IW_SRQ].cnt = 0; /* Reserved */
                hmc_info->hmc_obj[IRDMA_HMC_IW_MR].cnt = mrwanted;

                hte = round_up(qpwanted + hmc_info->hmc_obj[IRDMA_HMC_IW_FSIMC].cnt, 512);
                powerof2 = 1;
                while (powerof2 < hte)
                        powerof2 *= 2;
                hmc_info->hmc_obj[IRDMA_HMC_IW_HTE].cnt =
                        powerof2 * hmc_fpm_misc->ht_multiplier;
                if (dev->hw_attrs.uk_attrs.hw_rev == IRDMA_GEN_1)
                        cfg_fpm_value_gen_1(dev, hmc_info, qpwanted);
                else
                        cfg_fpm_value_gen_2(dev, hmc_info, qpwanted);

                hmc_info->hmc_obj[IRDMA_HMC_IW_Q1].cnt = irdma_q1_cnt(dev, hmc_info, qpwanted);
                hmc_info->hmc_obj[IRDMA_HMC_IW_XFFL].cnt =
                        hmc_info->hmc_obj[IRDMA_HMC_IW_XF].cnt / hmc_fpm_misc->xf_block_size;
                hmc_info->hmc_obj[IRDMA_HMC_IW_Q1FL].cnt =
                        hmc_info->hmc_obj[IRDMA_HMC_IW_Q1].cnt / hmc_fpm_misc->q1_block_size;
                hmc_info->hmc_obj[IRDMA_HMC_IW_TIMER].cnt =
                        (round_up(qpwanted, 512) / 512 + 1) * hmc_fpm_misc->timer_bucket;

                hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].cnt = pblewanted;
                sd_needed = irdma_est_sd(dev, hmc_info);
                ibdev_dbg(to_ibdev(dev),
                          "HMC: sd_needed = %d, hmc_fpm_misc->max_sds=%d, mrwanted=%d, pblewanted=%d qpwanted=%d\n",
                          sd_needed, hmc_fpm_misc->max_sds, mrwanted,
                          pblewanted, qpwanted);

                /* Do not reduce resources further. All objects fit with max SDs */
                if (sd_needed <= hmc_fpm_misc->max_sds)
                        break;

                sd_diff = sd_needed - hmc_fpm_misc->max_sds;
                if (sd_diff > 128) {
                        if (!(loop_count % 2) && qpwanted > 128) {
                                qpwanted /= 2;
                        } else {
                                pblewanted /= 2;
                                mrwanted /= 2;
                        }
                        continue;
                }

                if (dev->cqp->hmc_profile != IRDMA_HMC_PROFILE_FAVOR_VF &&
                    pblewanted > (512 * FPM_MULTIPLIER * sd_diff)) {
                        pblewanted -= 256 * FPM_MULTIPLIER * sd_diff;
                        continue;
                } else if (pblewanted > (100 * FPM_MULTIPLIER)) {
                        pblewanted -= 10 * FPM_MULTIPLIER;
                } else if (pblewanted > FPM_MULTIPLIER) {
                        pblewanted -= FPM_MULTIPLIER;
                } else if (qpwanted <= 128) {
                        if (hmc_info->hmc_obj[IRDMA_HMC_IW_FSIMC].cnt > 256)
                                hmc_info->hmc_obj[IRDMA_HMC_IW_FSIMC].cnt /= 2;
                        if (hmc_info->hmc_obj[IRDMA_HMC_IW_FSIAV].cnt > 256)
                                hmc_info->hmc_obj[IRDMA_HMC_IW_FSIAV].cnt /= 2;
                }
                if (mrwanted > FPM_MULTIPLIER)
                        mrwanted -= FPM_MULTIPLIER;
                if (!(loop_count % 10) && qpwanted > 128) {
                        qpwanted /= 2;
                        if (hmc_info->hmc_obj[IRDMA_HMC_IW_FSIAV].cnt > 256)
                                hmc_info->hmc_obj[IRDMA_HMC_IW_FSIAV].cnt /= 2;
                }
        } while (loop_count < 2000);

        if (sd_needed > hmc_fpm_misc->max_sds) {
                ibdev_dbg(to_ibdev(dev),
                          "HMC: cfg_fpm failed loop_cnt=%u, sd_needed=%u, max sd count %u\n",
                          loop_count, sd_needed, hmc_info->sd_table.sd_cnt);
                return -EINVAL;
        }

        if (loop_count > 1 && sd_needed < max_sds) {
                pblewanted += (max_sds - sd_needed) * 256 * FPM_MULTIPLIER;
                hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].cnt = pblewanted;
                sd_needed = irdma_est_sd(dev, hmc_info);
        }

        ibdev_dbg(to_ibdev(dev),
                  "HMC: loop_cnt=%d, sd_needed=%d, qpcnt = %d, cqcnt=%d, mrcnt=%d, pblecnt=%d, mc=%d, ah=%d, max sd count %d, first sd index %d\n",
                  loop_count, sd_needed,
                  hmc_info->hmc_obj[IRDMA_HMC_IW_QP].cnt,
                  hmc_info->hmc_obj[IRDMA_HMC_IW_CQ].cnt,
                  hmc_info->hmc_obj[IRDMA_HMC_IW_MR].cnt,
                  hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].cnt,
                  hmc_info->hmc_obj[IRDMA_HMC_IW_FSIMC].cnt,
                  hmc_info->hmc_obj[IRDMA_HMC_IW_FSIAV].cnt,
                  hmc_info->sd_table.sd_cnt, hmc_info->first_sd_index);

        ret_code = irdma_sc_cfg_iw_fpm(dev, dev->hmc_fn_id);
        if (ret_code) {
                ibdev_dbg(to_ibdev(dev),
                          "HMC: cfg_iw_fpm returned error_code[x%08X]\n",
                          readl(dev->hw_regs[IRDMA_CQPERRCODES]));
                return ret_code;
        }

        return irdma_cfg_sd_mem(dev, hmc_info);
}

/**
 * irdma_exec_cqp_cmd - execute cqp cmd when wqe are available
 * @dev: rdma device
 * @pcmdinfo: cqp command info
 */
static int irdma_exec_cqp_cmd(struct irdma_sc_dev *dev,
                              struct cqp_cmds_info *pcmdinfo)
{
        int status;
        struct irdma_dma_mem val_mem;
        bool alloc = false;

        dev->cqp_cmd_stats[pcmdinfo->cqp_cmd]++;
        switch (pcmdinfo->cqp_cmd) {
        case IRDMA_OP_CEQ_DESTROY:
                status = irdma_sc_ceq_destroy(pcmdinfo->in.u.ceq_destroy.ceq,
                                              pcmdinfo->in.u.ceq_destroy.scratch,
                                              pcmdinfo->post_sq);
                break;
        case IRDMA_OP_AEQ_DESTROY:
                status = irdma_sc_aeq_destroy(pcmdinfo->in.u.aeq_destroy.aeq,
                                              pcmdinfo->in.u.aeq_destroy.scratch,
                                              pcmdinfo->post_sq);

                break;
        case IRDMA_OP_CEQ_CREATE:
                status = irdma_sc_ceq_create(pcmdinfo->in.u.ceq_create.ceq,
                                             pcmdinfo->in.u.ceq_create.scratch,
                                             pcmdinfo->post_sq);
                break;
        case IRDMA_OP_AEQ_CREATE:
                status = irdma_sc_aeq_create(pcmdinfo->in.u.aeq_create.aeq,
                                             pcmdinfo->in.u.aeq_create.scratch,
                                             pcmdinfo->post_sq);
                break;
        case IRDMA_OP_QP_UPLOAD_CONTEXT:
                status = irdma_sc_qp_upload_context(pcmdinfo->in.u.qp_upload_context.dev,
                                                    &pcmdinfo->in.u.qp_upload_context.info,
                                                    pcmdinfo->in.u.qp_upload_context.scratch,
                                                    pcmdinfo->post_sq);
                break;
        case IRDMA_OP_CQ_CREATE:
                status = irdma_sc_cq_create(pcmdinfo->in.u.cq_create.cq,
                                            pcmdinfo->in.u.cq_create.scratch,
                                            pcmdinfo->in.u.cq_create.check_overflow,
                                            pcmdinfo->post_sq);
                break;
        case IRDMA_OP_CQ_MODIFY:
                status = irdma_sc_cq_modify(pcmdinfo->in.u.cq_modify.cq,
                                            &pcmdinfo->in.u.cq_modify.info,
                                            pcmdinfo->in.u.cq_modify.scratch,
                                            pcmdinfo->post_sq);
                break;
        case IRDMA_OP_CQ_DESTROY:
                status = irdma_sc_cq_destroy(pcmdinfo->in.u.cq_destroy.cq,
                                             pcmdinfo->in.u.cq_destroy.scratch,
                                             pcmdinfo->post_sq);
                break;
        case IRDMA_OP_QP_FLUSH_WQES:
                status = irdma_sc_qp_flush_wqes(pcmdinfo->in.u.qp_flush_wqes.qp,
                                                &pcmdinfo->in.u.qp_flush_wqes.info,
                                                pcmdinfo->in.u.qp_flush_wqes.scratch,
                                                pcmdinfo->post_sq);
                break;
        case IRDMA_OP_GEN_AE:
                status = irdma_sc_gen_ae(pcmdinfo->in.u.gen_ae.qp,
                                         &pcmdinfo->in.u.gen_ae.info,
                                         pcmdinfo->in.u.gen_ae.scratch,
                                         pcmdinfo->post_sq);
                break;
        case IRDMA_OP_MANAGE_PUSH_PAGE:
                status = irdma_sc_manage_push_page(pcmdinfo->in.u.manage_push_page.cqp,
                                                   &pcmdinfo->in.u.manage_push_page.info,
                                                   pcmdinfo->in.u.manage_push_page.scratch,
                                                   pcmdinfo->post_sq);
                break;
        case IRDMA_OP_UPDATE_PE_SDS:
                status = irdma_update_pe_sds(pcmdinfo->in.u.update_pe_sds.dev,
                                             &pcmdinfo->in.u.update_pe_sds.info,
                                             pcmdinfo->in.u.update_pe_sds.scratch);
                break;
        case IRDMA_OP_MANAGE_HMC_PM_FUNC_TABLE:
                /* switch to calling through the call table */
                status =
                        irdma_sc_manage_hmc_pm_func_table(pcmdinfo->in.u.manage_hmc_pm.dev->cqp,
                                                          &pcmdinfo->in.u.manage_hmc_pm.info,
                                                          pcmdinfo->in.u.manage_hmc_pm.scratch,
                                                          true);
                break;
        case IRDMA_OP_SUSPEND:
                status = irdma_sc_suspend_qp(pcmdinfo->in.u.suspend_resume.cqp,
                                             pcmdinfo->in.u.suspend_resume.qp,
                                             pcmdinfo->in.u.suspend_resume.scratch);
                break;
        case IRDMA_OP_RESUME:
                status = irdma_sc_resume_qp(pcmdinfo->in.u.suspend_resume.cqp,
                                            pcmdinfo->in.u.suspend_resume.qp,
                                            pcmdinfo->in.u.suspend_resume.scratch);
                break;
        case IRDMA_OP_QUERY_FPM_VAL:
                val_mem.pa = pcmdinfo->in.u.query_fpm_val.fpm_val_pa;
                val_mem.va = pcmdinfo->in.u.query_fpm_val.fpm_val_va;
                status = irdma_sc_query_fpm_val(pcmdinfo->in.u.query_fpm_val.cqp,
                                                pcmdinfo->in.u.query_fpm_val.scratch,
                                                pcmdinfo->in.u.query_fpm_val.hmc_fn_id,
                                                &val_mem, true, IRDMA_CQP_WAIT_EVENT);
                break;
        case IRDMA_OP_COMMIT_FPM_VAL:
                val_mem.pa = pcmdinfo->in.u.commit_fpm_val.fpm_val_pa;
                val_mem.va = pcmdinfo->in.u.commit_fpm_val.fpm_val_va;
                status = irdma_sc_commit_fpm_val(pcmdinfo->in.u.commit_fpm_val.cqp,
                                                 pcmdinfo->in.u.commit_fpm_val.scratch,
                                                 pcmdinfo->in.u.commit_fpm_val.hmc_fn_id,
                                                 &val_mem,
                                                 true,
                                                 IRDMA_CQP_WAIT_EVENT);
                break;
        case IRDMA_OP_STATS_ALLOCATE:
                alloc = true;
                fallthrough;
        case IRDMA_OP_STATS_FREE:
                status = irdma_sc_manage_stats_inst(pcmdinfo->in.u.stats_manage.cqp,
                                                    &pcmdinfo->in.u.stats_manage.info,
                                                    alloc,
                                                    pcmdinfo->in.u.stats_manage.scratch);
                break;
        case IRDMA_OP_STATS_GATHER:
                status = irdma_sc_gather_stats(pcmdinfo->in.u.stats_gather.cqp,
                                               &pcmdinfo->in.u.stats_gather.info,
                                               pcmdinfo->in.u.stats_gather.scratch);
                break;
        case IRDMA_OP_WS_MODIFY_NODE:
                status = irdma_sc_manage_ws_node(pcmdinfo->in.u.ws_node.cqp,
                                                 &pcmdinfo->in.u.ws_node.info,
                                                 IRDMA_MODIFY_NODE,
                                                 pcmdinfo->in.u.ws_node.scratch);
                break;
        case IRDMA_OP_WS_DELETE_NODE:
                status = irdma_sc_manage_ws_node(pcmdinfo->in.u.ws_node.cqp,
                                                 &pcmdinfo->in.u.ws_node.info,
                                                 IRDMA_DEL_NODE,
                                                 pcmdinfo->in.u.ws_node.scratch);
                break;
        case IRDMA_OP_WS_ADD_NODE:
                status = irdma_sc_manage_ws_node(pcmdinfo->in.u.ws_node.cqp,
                                                 &pcmdinfo->in.u.ws_node.info,
                                                 IRDMA_ADD_NODE,
                                                 pcmdinfo->in.u.ws_node.scratch);
                break;
        case IRDMA_OP_SET_UP_MAP:
                status = irdma_sc_set_up_map(pcmdinfo->in.u.up_map.cqp,
                                             &pcmdinfo->in.u.up_map.info,
                                             pcmdinfo->in.u.up_map.scratch);
                break;
        case IRDMA_OP_QUERY_RDMA_FEATURES:
                status = irdma_sc_query_rdma_features(pcmdinfo->in.u.query_rdma.cqp,
                                                      &pcmdinfo->in.u.query_rdma.query_buff_mem,
                                                      pcmdinfo->in.u.query_rdma.scratch);
                break;
        case IRDMA_OP_DELETE_ARP_CACHE_ENTRY:
                status = irdma_sc_del_arp_cache_entry(pcmdinfo->in.u.del_arp_cache_entry.cqp,
                                                      pcmdinfo->in.u.del_arp_cache_entry.scratch,
                                                      pcmdinfo->in.u.del_arp_cache_entry.arp_index,
                                                      pcmdinfo->post_sq);
                break;
        case IRDMA_OP_MANAGE_APBVT_ENTRY:
                status = irdma_sc_manage_apbvt_entry(pcmdinfo->in.u.manage_apbvt_entry.cqp,
                                                     &pcmdinfo->in.u.manage_apbvt_entry.info,
                                                     pcmdinfo->in.u.manage_apbvt_entry.scratch,
                                                     pcmdinfo->post_sq);
                break;
        case IRDMA_OP_MANAGE_QHASH_TABLE_ENTRY:
                status = irdma_sc_manage_qhash_table_entry(pcmdinfo->in.u.manage_qhash_table_entry.cqp,
                                                           &pcmdinfo->in.u.manage_qhash_table_entry.info,
                                                           pcmdinfo->in.u.manage_qhash_table_entry.scratch,
                                                           pcmdinfo->post_sq);
                break;
        case IRDMA_OP_QP_MODIFY:
                status = irdma_sc_qp_modify(pcmdinfo->in.u.qp_modify.qp,
                                            &pcmdinfo->in.u.qp_modify.info,
                                            pcmdinfo->in.u.qp_modify.scratch,
                                            pcmdinfo->post_sq);
                break;
        case IRDMA_OP_QP_CREATE:
                status = irdma_sc_qp_create(pcmdinfo->in.u.qp_create.qp,
                                            &pcmdinfo->in.u.qp_create.info,
                                            pcmdinfo->in.u.qp_create.scratch,
                                            pcmdinfo->post_sq);
                break;
        case IRDMA_OP_QP_DESTROY:
                status = irdma_sc_qp_destroy(pcmdinfo->in.u.qp_destroy.qp,
                                             pcmdinfo->in.u.qp_destroy.scratch,
                                             pcmdinfo->in.u.qp_destroy.remove_hash_idx,
                                             pcmdinfo->in.u.qp_destroy.ignore_mw_bnd,
                                             pcmdinfo->post_sq);
                break;
        case IRDMA_OP_ALLOC_STAG:
                status = irdma_sc_alloc_stag(pcmdinfo->in.u.alloc_stag.dev,
                                             &pcmdinfo->in.u.alloc_stag.info,
                                             pcmdinfo->in.u.alloc_stag.scratch,
                                             pcmdinfo->post_sq);
                break;
        case IRDMA_OP_MR_REG_NON_SHARED:
                status = irdma_sc_mr_reg_non_shared(pcmdinfo->in.u.mr_reg_non_shared.dev,
                                                    &pcmdinfo->in.u.mr_reg_non_shared.info,
                                                    pcmdinfo->in.u.mr_reg_non_shared.scratch,
                                                    pcmdinfo->post_sq);
                break;
        case IRDMA_OP_DEALLOC_STAG:
                status = irdma_sc_dealloc_stag(pcmdinfo->in.u.dealloc_stag.dev,
                                               &pcmdinfo->in.u.dealloc_stag.info,
                                               pcmdinfo->in.u.dealloc_stag.scratch,
                                               pcmdinfo->post_sq);
                break;
        case IRDMA_OP_MW_ALLOC:
                status = irdma_sc_mw_alloc(pcmdinfo->in.u.mw_alloc.dev,
                                           &pcmdinfo->in.u.mw_alloc.info,
                                           pcmdinfo->in.u.mw_alloc.scratch,
                                           pcmdinfo->post_sq);
                break;
        case IRDMA_OP_ADD_ARP_CACHE_ENTRY:
                status = irdma_sc_add_arp_cache_entry(pcmdinfo->in.u.add_arp_cache_entry.cqp,
                                                      &pcmdinfo->in.u.add_arp_cache_entry.info,
                                                      pcmdinfo->in.u.add_arp_cache_entry.scratch,
                                                      pcmdinfo->post_sq);
                break;
        case IRDMA_OP_ALLOC_LOCAL_MAC_ENTRY:
                status = irdma_sc_alloc_local_mac_entry(pcmdinfo->in.u.alloc_local_mac_entry.cqp,
                                                        pcmdinfo->in.u.alloc_local_mac_entry.scratch,
                                                        pcmdinfo->post_sq);
                break;
        case IRDMA_OP_ADD_LOCAL_MAC_ENTRY:
                status = irdma_sc_add_local_mac_entry(pcmdinfo->in.u.add_local_mac_entry.cqp,
                                                      &pcmdinfo->in.u.add_local_mac_entry.info,
                                                      pcmdinfo->in.u.add_local_mac_entry.scratch,
                                                      pcmdinfo->post_sq);
                break;
        case IRDMA_OP_DELETE_LOCAL_MAC_ENTRY:
                status = irdma_sc_del_local_mac_entry(pcmdinfo->in.u.del_local_mac_entry.cqp,
                                                      pcmdinfo->in.u.del_local_mac_entry.scratch,
                                                      pcmdinfo->in.u.del_local_mac_entry.entry_idx,
                                                      pcmdinfo->in.u.del_local_mac_entry.ignore_ref_count,
                                                      pcmdinfo->post_sq);
                break;
        case IRDMA_OP_AH_CREATE:
                status = irdma_sc_create_ah(pcmdinfo->in.u.ah_create.cqp,
                                            &pcmdinfo->in.u.ah_create.info,
                                            pcmdinfo->in.u.ah_create.scratch);
                break;
        case IRDMA_OP_AH_DESTROY:
                status = irdma_sc_destroy_ah(pcmdinfo->in.u.ah_destroy.cqp,
                                             &pcmdinfo->in.u.ah_destroy.info,
                                             pcmdinfo->in.u.ah_destroy.scratch);
                break;
        case IRDMA_OP_MC_CREATE:
                status = irdma_sc_create_mcast_grp(pcmdinfo->in.u.mc_create.cqp,
                                                   &pcmdinfo->in.u.mc_create.info,
                                                   pcmdinfo->in.u.mc_create.scratch);
                break;
        case IRDMA_OP_MC_DESTROY:
                status = irdma_sc_destroy_mcast_grp(pcmdinfo->in.u.mc_destroy.cqp,
                                                    &pcmdinfo->in.u.mc_destroy.info,
                                                    pcmdinfo->in.u.mc_destroy.scratch);
                break;
        case IRDMA_OP_MC_MODIFY:
                status = irdma_sc_modify_mcast_grp(pcmdinfo->in.u.mc_modify.cqp,
                                                   &pcmdinfo->in.u.mc_modify.info,
                                                   pcmdinfo->in.u.mc_modify.scratch);
                break;
        case IRDMA_OP_SRQ_CREATE:
                status = irdma_sc_srq_create(pcmdinfo->in.u.srq_create.srq,
                                             pcmdinfo->in.u.srq_create.scratch,
                                             pcmdinfo->post_sq);
                break;
        case IRDMA_OP_SRQ_MODIFY:
                status = irdma_sc_srq_modify(pcmdinfo->in.u.srq_modify.srq,
                                             &pcmdinfo->in.u.srq_modify.info,
                                             pcmdinfo->in.u.srq_modify.scratch,
                                             pcmdinfo->post_sq);
                break;
        case IRDMA_OP_SRQ_DESTROY:
                status = irdma_sc_srq_destroy(pcmdinfo->in.u.srq_destroy.srq,
                                              pcmdinfo->in.u.srq_destroy.scratch,
                                              pcmdinfo->post_sq);
                break;
        default:
                status = -EOPNOTSUPP;
                break;
        }

        return status;
}

/**
 * irdma_process_cqp_cmd - process all cqp commands
 * @dev: sc device struct
 * @pcmdinfo: cqp command info
 */
int irdma_process_cqp_cmd(struct irdma_sc_dev *dev,
                          struct cqp_cmds_info *pcmdinfo)
{
        int status = 0;
        unsigned long flags;

        spin_lock_irqsave(&dev->cqp_lock, flags);
        if (list_empty(&dev->cqp_cmd_head) && !irdma_cqp_ring_full(dev->cqp))
                status = irdma_exec_cqp_cmd(dev, pcmdinfo);
        else
                list_add_tail(&pcmdinfo->cqp_cmd_entry, &dev->cqp_cmd_head);
        spin_unlock_irqrestore(&dev->cqp_lock, flags);
        return status;
}

/**
 * irdma_process_bh - called from tasklet for cqp list
 * @dev: sc device struct
 */
int irdma_process_bh(struct irdma_sc_dev *dev)
{
        int status = 0;
        struct cqp_cmds_info *pcmdinfo;
        unsigned long flags;

        spin_lock_irqsave(&dev->cqp_lock, flags);
        while (!list_empty(&dev->cqp_cmd_head) &&
               !irdma_cqp_ring_full(dev->cqp)) {
                pcmdinfo = (struct cqp_cmds_info *)irdma_remove_cqp_head(dev);
                status = irdma_exec_cqp_cmd(dev, pcmdinfo);
                if (status)
                        break;
        }
        spin_unlock_irqrestore(&dev->cqp_lock, flags);
        return status;
}

/**
 * irdma_cfg_aeq- Configure AEQ interrupt
 * @dev: pointer to the device structure
 * @idx: vector index
 * @enable: True to enable, False disables
 */
void irdma_cfg_aeq(struct irdma_sc_dev *dev, u32 idx, bool enable)
{
        u32 reg_val;

        reg_val = FIELD_PREP(IRDMA_PFINT_AEQCTL_CAUSE_ENA, enable) |
                  FIELD_PREP(IRDMA_PFINT_AEQCTL_MSIX_INDX, idx) |
                  FIELD_PREP(IRDMA_PFINT_AEQCTL_ITR_INDX, 3);
        writel(reg_val, dev->hw_regs[IRDMA_PFINT_AEQCTL]);
}

/**
 * sc_vsi_update_stats - Update statistics
 * @vsi: sc_vsi instance to update
 */
void sc_vsi_update_stats(struct irdma_sc_vsi *vsi)
{
        struct irdma_dev_hw_stats *hw_stats = &vsi->pestat->hw_stats;
        struct irdma_gather_stats *gather_stats =
                vsi->pestat->gather_info.gather_stats_va;
        struct irdma_gather_stats *last_gather_stats =
                vsi->pestat->gather_info.last_gather_stats_va;
        const struct irdma_hw_stat_map *map = vsi->dev->hw_stats_map;
        u16 max_stat_idx = vsi->dev->hw_attrs.max_stat_idx;
        u16 i;

        if (vsi->dev->hw_attrs.uk_attrs.hw_rev >= IRDMA_GEN_3) {
                for (i = 0; i < max_stat_idx; i++) {
                        u16 idx = map[i].byteoff / sizeof(u64);

                        hw_stats->stats_val[i] = gather_stats->val[idx];
                }
                return;
        }

        irdma_update_stats(hw_stats, gather_stats, last_gather_stats,
                           map, max_stat_idx);
}

/**
 * irdma_wait_pe_ready - Check if firmware is ready
 * @dev: provides access to registers
 */
static int irdma_wait_pe_ready(struct irdma_sc_dev *dev)
{
        u32 statuscpu0;
        u32 statuscpu1;
        u32 statuscpu2;
        u32 retrycount = 0;

        do {
                statuscpu0 = readl(dev->hw_regs[IRDMA_GLPE_CPUSTATUS0]);
                statuscpu1 = readl(dev->hw_regs[IRDMA_GLPE_CPUSTATUS1]);
                statuscpu2 = readl(dev->hw_regs[IRDMA_GLPE_CPUSTATUS2]);
                if (statuscpu0 == 0x80 && statuscpu1 == 0x80 &&
                    statuscpu2 == 0x80)
                        return 0;
                mdelay(1000);
        } while (retrycount++ < dev->hw_attrs.max_pe_ready_count);
        return -1;
}

static inline void irdma_sc_init_hw(struct irdma_sc_dev *dev)
{
        switch (dev->hw_attrs.uk_attrs.hw_rev) {
        case IRDMA_GEN_1:
                i40iw_init_hw(dev);
                break;
        case IRDMA_GEN_2:
                icrdma_init_hw(dev);
                break;
        case IRDMA_GEN_3:
                ig3rdma_init_hw(dev);
                break;
        }
}

/**
 * irdma_sc_dev_init - Initialize control part of device
 * @ver: version
 * @dev: Device pointer
 * @info: Device init info
 */
int irdma_sc_dev_init(enum irdma_vers ver, struct irdma_sc_dev *dev,
                      struct irdma_device_init_info *info)
{
        u32 val;
        int ret_code = 0;
        u8 db_size;

        spin_lock_init(&dev->puda_cq_lock);
        dev->ilq_cq = NULL;
        dev->ieq_cq = NULL;
        INIT_LIST_HEAD(&dev->cqp_cmd_head); /* for CQP command backlog */
        mutex_init(&dev->ws_mutex);
        dev->hmc_fn_id = info->hmc_fn_id;
        dev->fpm_query_buf_pa = info->fpm_query_buf_pa;
        dev->fpm_query_buf = info->fpm_query_buf;
        dev->fpm_commit_buf_pa = info->fpm_commit_buf_pa;
        dev->fpm_commit_buf = info->fpm_commit_buf;
        dev->hw = info->hw;
        dev->hw->hw_addr = info->bar0;
        dev->protocol_used = info->protocol_used;
        /* Setup the hardware limits, hmc may limit further */
        dev->hw_attrs.min_hw_qp_id = IRDMA_MIN_IW_QP_ID;
        dev->hw_attrs.min_hw_srq_id = IRDMA_MIN_IW_SRQ_ID;
        dev->hw_attrs.min_hw_aeq_size = IRDMA_MIN_AEQ_ENTRIES;
        if (dev->hw_attrs.uk_attrs.hw_rev >= IRDMA_GEN_3)
                dev->hw_attrs.max_hw_aeq_size = IRDMA_MAX_AEQ_ENTRIES_GEN_3;
        else
                dev->hw_attrs.max_hw_aeq_size = IRDMA_MAX_AEQ_ENTRIES;
        dev->hw_attrs.min_hw_ceq_size = IRDMA_MIN_CEQ_ENTRIES;
        dev->hw_attrs.max_hw_ceq_size = IRDMA_MAX_CEQ_ENTRIES;
        dev->hw_attrs.uk_attrs.min_hw_cq_size = IRDMA_MIN_CQ_SIZE;
        dev->hw_attrs.uk_attrs.max_hw_cq_size = IRDMA_MAX_CQ_SIZE;
        dev->hw_attrs.uk_attrs.max_hw_wq_frags = IRDMA_MAX_WQ_FRAGMENT_COUNT;
        dev->hw_attrs.uk_attrs.max_hw_read_sges = IRDMA_MAX_SGE_RD;
        dev->hw_attrs.max_hw_outbound_msg_size = IRDMA_MAX_OUTBOUND_MSG_SIZE;
        dev->hw_attrs.max_mr_size = IRDMA_MAX_MR_SIZE;
        dev->hw_attrs.max_hw_inbound_msg_size = IRDMA_MAX_INBOUND_MSG_SIZE;
        dev->hw_attrs.max_hw_device_pages = IRDMA_MAX_PUSH_PAGE_COUNT;
        dev->hw_attrs.uk_attrs.max_hw_inline = IRDMA_MAX_INLINE_DATA_SIZE;
        dev->hw_attrs.max_hw_wqes = IRDMA_MAX_WQ_ENTRIES;
        dev->hw_attrs.max_qp_wr = IRDMA_MAX_QP_WRS(IRDMA_MAX_QUANTA_PER_WR);

        dev->hw_attrs.uk_attrs.max_hw_rq_quanta = IRDMA_QP_SW_MAX_RQ_QUANTA;
        dev->hw_attrs.uk_attrs.max_hw_wq_quanta = IRDMA_QP_SW_MAX_WQ_QUANTA;
        dev->hw_attrs.max_hw_pds = IRDMA_MAX_PDS;
        dev->hw_attrs.max_hw_ena_vf_count = IRDMA_MAX_PE_ENA_VF_COUNT;

        dev->hw_attrs.max_pe_ready_count = 14;
        dev->hw_attrs.max_done_count = IRDMA_DONE_COUNT;
        dev->hw_attrs.max_sleep_count = IRDMA_SLEEP_COUNT;
        dev->hw_attrs.max_cqp_compl_wait_time_ms = CQP_COMPL_WAIT_TIME_MS;

        if (!dev->privileged) {
                ret_code = irdma_vchnl_req_get_hmc_fcn(dev);
                if (ret_code) {
                        ibdev_dbg(to_ibdev(dev),
                                  "DEV: Get HMC function ret = %d\n",
                                  ret_code);

                        return ret_code;
                }
        }

        irdma_sc_init_hw(dev);

        if (dev->privileged) {
                if (irdma_wait_pe_ready(dev))
                        return -ETIMEDOUT;

                val = readl(dev->hw_regs[IRDMA_GLPCI_LBARCTRL]);
                db_size = (u8)FIELD_GET(IRDMA_GLPCI_LBARCTRL_PE_DB_SIZE, val);
                if (db_size != IRDMA_PE_DB_SIZE_4M &&
                    db_size != IRDMA_PE_DB_SIZE_8M) {
                        ibdev_dbg(to_ibdev(dev),
                                  "DEV: RDMA PE doorbell is not enabled in CSR val 0x%x db_size=%d\n",
                                  val, db_size);
                        return -ENODEV;
                        }
        } else {
                ret_code = irdma_vchnl_req_get_reg_layout(dev);
                if (ret_code)
                        ibdev_dbg(to_ibdev(dev),
                                  "DEV: Get Register layout failed ret = %d\n",
                                  ret_code);
        }

        return ret_code;
}

/**
 * irdma_stat_val - Extract HW counter value from statistics buffer
 * @stats_val: pointer to statistics buffer
 * @byteoff: byte offset of counter value in the buffer (8B-aligned)
 * @bitoff: bit offset of counter value within 8B entry
 * @bitmask: maximum counter value (e.g. 0xffffff for 24-bit counter)
 */
static inline u64 irdma_stat_val(const u64 *stats_val, u16 byteoff, u8 bitoff,
                                 u64 bitmask)
{
        u16 idx = byteoff / sizeof(*stats_val);

        return (stats_val[idx] >> bitoff) & bitmask;
}

/**
 * irdma_stat_delta - Calculate counter delta
 * @new_val: updated counter value
 * @old_val: last counter value
 * @max_val: maximum counter value (e.g. 0xffffff for 24-bit counter)
 */
static inline u64 irdma_stat_delta(u64 new_val, u64 old_val, u64 max_val)
{
        if (new_val >= old_val)
                return new_val - old_val;

        /* roll-over case */
        return max_val - old_val + new_val + 1;
}

/**
 * irdma_update_stats - Update statistics
 * @hw_stats: hw_stats instance to update
 * @gather_stats: updated stat counters
 * @last_gather_stats: last stat counters
 * @map: HW stat map (hw_stats => gather_stats)
 * @max_stat_idx: number of HW stats
 */
void irdma_update_stats(struct irdma_dev_hw_stats *hw_stats,
                        struct irdma_gather_stats *gather_stats,
                        struct irdma_gather_stats *last_gather_stats,
                        const struct irdma_hw_stat_map *map, u16 max_stat_idx)
{
        u64 *stats_val = hw_stats->stats_val;
        u16 i;

        for (i = 0; i < max_stat_idx; i++) {
                u64 new_val = irdma_stat_val(gather_stats->val, map[i].byteoff,
                                             map[i].bitoff, map[i].bitmask);
                u64 last_val = irdma_stat_val(last_gather_stats->val,
                                              map[i].byteoff, map[i].bitoff,
                                              map[i].bitmask);

                stats_val[i] +=
                        irdma_stat_delta(new_val, last_val, map[i].bitmask);
        }

        memcpy(last_gather_stats, gather_stats, sizeof(*last_gather_stats));
}