RDMA/irdma: Add irdma Kconfig/Makefile and remove i40iw

Add Kconfig and Makefile to build irdma driver.

Remove i40iw driver and add an alias in irdma.

Remove legacy exported symbols i40e_register_client
and i40e_unregister_client from i40e as they are no
longer used.

irdma is the replacement driver that supports X722.

Link: https://lore.kernel.org/r/20210602205138.889-16-shiraz.saleem@intel.com
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>

1 files changed, 0 insertions, 2652 deletions

diff --git a/drivers/infiniband/hw/i40iw/i40iw_verbs.c b/drivers/infiniband/hw/i40iw/i40iw_verbs.c
deleted file mode 100644
index b876d722fcc8..000000000000
--- a/drivers/infiniband/hw/i40iw/i40iw_verbs.c
+++ /dev/null
@@ -1,2652 +0,0 @@
-/*******************************************************************************
-*
-* Copyright (c) 2015-2016 Intel Corporation.  All rights reserved.
-*
-* This software is available to you under a choice of one of two
-* licenses.  You may choose to be licensed under the terms of the GNU
-* General Public License (GPL) Version 2, available from the file
-* COPYING in the main directory of this source tree, or the
-* OpenFabrics.org BSD license below:
-*
-*   Redistribution and use in source and binary forms, with or
-*   without modification, are permitted provided that the following
-*   conditions are met:
-*
-*    - Redistributions of source code must retain the above
-*	copyright notice, this list of conditions and the following
-*	disclaimer.
-*
-*    - Redistributions in binary form must reproduce the above
-*	copyright notice, this list of conditions and the following
-*	disclaimer in the documentation and/or other materials
-*	provided with the distribution.
-*
-* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
-* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
-* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
-* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-* SOFTWARE.
-*
-*******************************************************************************/
-
-#include <linux/module.h>
-#include <linux/moduleparam.h>
-#include <linux/random.h>
-#include <linux/highmem.h>
-#include <linux/time.h>
-#include <linux/hugetlb.h>
-#include <linux/irq.h>
-#include <asm/byteorder.h>
-#include <net/ip.h>
-#include <rdma/ib_verbs.h>
-#include <rdma/iw_cm.h>
-#include <rdma/ib_user_verbs.h>
-#include <rdma/ib_umem.h>
-#include <rdma/uverbs_ioctl.h>
-#include "i40iw.h"
-
-/**
- * i40iw_query_device - get device attributes
- * @ibdev: device pointer from stack
- * @props: returning device attributes
- * @udata: user data
- */
-static int i40iw_query_device(struct ib_device *ibdev,
-			      struct ib_device_attr *props,
-			      struct ib_udata *udata)
-{
-	struct i40iw_device *iwdev = to_iwdev(ibdev);
-
-	if (udata->inlen || udata->outlen)
-		return -EINVAL;
-	memset(props, 0, sizeof(*props));
-	ether_addr_copy((u8 *)&props->sys_image_guid, iwdev->netdev->dev_addr);
-	props->fw_ver = i40iw_fw_major_ver(&iwdev->sc_dev) << 32 |
-			i40iw_fw_minor_ver(&iwdev->sc_dev);
-	props->device_cap_flags = iwdev->device_cap_flags;
-	props->vendor_id = iwdev->ldev->pcidev->vendor;
-	props->vendor_part_id = iwdev->ldev->pcidev->device;
-	props->hw_ver = (u32)iwdev->sc_dev.hw_rev;
-	props->max_mr_size = I40IW_MAX_OUTBOUND_MESSAGE_SIZE;
-	props->max_qp = iwdev->max_qp - iwdev->used_qps;
-	props->max_qp_wr = I40IW_MAX_QP_WRS;
-	props->max_send_sge = I40IW_MAX_WQ_FRAGMENT_COUNT;
-	props->max_recv_sge = I40IW_MAX_WQ_FRAGMENT_COUNT;
-	props->max_cq = iwdev->max_cq - iwdev->used_cqs;
-	props->max_cqe = iwdev->max_cqe;
-	props->max_mr = iwdev->max_mr - iwdev->used_mrs;
-	props->max_pd = iwdev->max_pd - iwdev->used_pds;
-	props->max_sge_rd = I40IW_MAX_SGE_RD;
-	props->max_qp_rd_atom = I40IW_MAX_IRD_SIZE;
-	props->max_qp_init_rd_atom = props->max_qp_rd_atom;
-	props->atomic_cap = IB_ATOMIC_NONE;
-	props->max_fast_reg_page_list_len = I40IW_MAX_PAGES_PER_FMR;
-	return 0;
-}
-
-/**
- * i40iw_query_port - get port attrubutes
- * @ibdev: device pointer from stack
- * @port: port number for query
- * @props: returning device attributes
- */
-static int i40iw_query_port(struct ib_device *ibdev,
-			    u32 port,
-			    struct ib_port_attr *props)
-{
-	props->lid = 1;
-	props->port_cap_flags = IB_PORT_CM_SUP | IB_PORT_REINIT_SUP |
-		IB_PORT_VENDOR_CLASS_SUP | IB_PORT_BOOT_MGMT_SUP;
-	props->gid_tbl_len = 1;
-	props->active_width = IB_WIDTH_4X;
-	props->active_speed = 1;
-	props->max_msg_sz = I40IW_MAX_OUTBOUND_MESSAGE_SIZE;
-	return 0;
-}
-
-/**
- * i40iw_alloc_ucontext - Allocate the user context data structure
- * @uctx: Uverbs context pointer from stack
- * @udata: user data
- *
- * This keeps track of all objects associated with a particular
- * user-mode client.
- */
-static int i40iw_alloc_ucontext(struct ib_ucontext *uctx,
-				struct ib_udata *udata)
-{
-	struct ib_device *ibdev = uctx->device;
-	struct i40iw_device *iwdev = to_iwdev(ibdev);
-	struct i40iw_alloc_ucontext_req req;
-	struct i40iw_alloc_ucontext_resp uresp = {};
-	struct i40iw_ucontext *ucontext = to_ucontext(uctx);
-
-	if (ib_copy_from_udata(&req, udata, sizeof(req)))
-		return -EINVAL;
-
-	if (req.userspace_ver < 4 || req.userspace_ver > I40IW_ABI_VER) {
-		i40iw_pr_err("Unsupported provider library version %u.\n", req.userspace_ver);
-		return -EINVAL;
-	}
-
-	uresp.max_qps = iwdev->max_qp;
-	uresp.max_pds = iwdev->max_pd;
-	uresp.wq_size = iwdev->max_qp_wr * 2;
-	uresp.kernel_ver = req.userspace_ver;
-
-	ucontext->iwdev = iwdev;
-	ucontext->abi_ver = req.userspace_ver;
-
-	if (ib_copy_to_udata(udata, &uresp, sizeof(uresp)))
-		return -EFAULT;
-
-	INIT_LIST_HEAD(&ucontext->cq_reg_mem_list);
-	spin_lock_init(&ucontext->cq_reg_mem_list_lock);
-	INIT_LIST_HEAD(&ucontext->qp_reg_mem_list);
-	spin_lock_init(&ucontext->qp_reg_mem_list_lock);
-
-	return 0;
-}
-
-/**
- * i40iw_dealloc_ucontext - deallocate the user context data structure
- * @context: user context created during alloc
- */
-static void i40iw_dealloc_ucontext(struct ib_ucontext *context)
-{
-	return;
-}
-
-/**
- * i40iw_mmap - user memory map
- * @context: context created during alloc
- * @vma: kernel info for user memory map
- */
-static int i40iw_mmap(struct ib_ucontext *context, struct vm_area_struct *vma)
-{
-	struct i40iw_ucontext *ucontext = to_ucontext(context);
-	u64 dbaddr;
-
-	if (vma->vm_pgoff || vma->vm_end - vma->vm_start != PAGE_SIZE)
-		return -EINVAL;
-
-	dbaddr = I40IW_DB_ADDR_OFFSET + pci_resource_start(ucontext->iwdev->ldev->pcidev, 0);
-
-	return rdma_user_mmap_io(context, vma, dbaddr >> PAGE_SHIFT, PAGE_SIZE,
-				 pgprot_noncached(vma->vm_page_prot), NULL);
-}
-
-/**
- * i40iw_alloc_pd - allocate protection domain
- * @pd: PD pointer
- * @udata: user data
- */
-static int i40iw_alloc_pd(struct ib_pd *pd, struct ib_udata *udata)
-{
-	struct i40iw_pd *iwpd = to_iwpd(pd);
-	struct i40iw_device *iwdev = to_iwdev(pd->device);
-	struct i40iw_sc_dev *dev = &iwdev->sc_dev;
-	struct i40iw_alloc_pd_resp uresp;
-	struct i40iw_sc_pd *sc_pd;
-	u32 pd_id = 0;
-	int err;
-
-	if (iwdev->closing)
-		return -ENODEV;
-
-	err = i40iw_alloc_resource(iwdev, iwdev->allocated_pds,
-				   iwdev->max_pd, &pd_id, &iwdev->next_pd);
-	if (err) {
-		i40iw_pr_err("alloc resource failed\n");
-		return err;
-	}
-
-	sc_pd = &iwpd->sc_pd;
-
-	if (udata) {
-		struct i40iw_ucontext *ucontext = rdma_udata_to_drv_context(
-			udata, struct i40iw_ucontext, ibucontext);
-		dev->iw_pd_ops->pd_init(dev, sc_pd, pd_id, ucontext->abi_ver);
-		memset(&uresp, 0, sizeof(uresp));
-		uresp.pd_id = pd_id;
-		if (ib_copy_to_udata(udata, &uresp, sizeof(uresp))) {
-			err = -EFAULT;
-			goto error;
-		}
-	} else {
-		dev->iw_pd_ops->pd_init(dev, sc_pd, pd_id, -1);
-	}
-
-	i40iw_add_pdusecount(iwpd);
-	return 0;
-
-error:
-	i40iw_free_resource(iwdev, iwdev->allocated_pds, pd_id);
-	return err;
-}
-
-/**
- * i40iw_dealloc_pd - deallocate pd
- * @ibpd: ptr of pd to be deallocated
- * @udata: user data or null for kernel object
- */
-static int i40iw_dealloc_pd(struct ib_pd *ibpd, struct ib_udata *udata)
-{
-	struct i40iw_pd *iwpd = to_iwpd(ibpd);
-	struct i40iw_device *iwdev = to_iwdev(ibpd->device);
-
-	i40iw_rem_pdusecount(iwpd, iwdev);
-	return 0;
-}
-
-/**
- * i40iw_get_pbl - Retrieve pbl from a list given a virtual
- * address
- * @va: user virtual address
- * @pbl_list: pbl list to search in (QP's or CQ's)
- */
-static struct i40iw_pbl *i40iw_get_pbl(unsigned long va,
-				       struct list_head *pbl_list)
-{
-	struct i40iw_pbl *iwpbl;
-
-	list_for_each_entry(iwpbl, pbl_list, list) {
-		if (iwpbl->user_base == va) {
-			iwpbl->on_list = false;
-			list_del(&iwpbl->list);
-			return iwpbl;
-		}
-	}
-	return NULL;
-}
-
-/**
- * i40iw_free_qp_resources - free up memory resources for qp
- * @iwqp: qp ptr (user or kernel)
- */
-void i40iw_free_qp_resources(struct i40iw_qp *iwqp)
-{
-	struct i40iw_pbl *iwpbl = &iwqp->iwpbl;
-	struct i40iw_device *iwdev = iwqp->iwdev;
-	u32 qp_num = iwqp->ibqp.qp_num;
-
-	i40iw_ieq_cleanup_qp(iwdev->vsi.ieq, &iwqp->sc_qp);
-	if (qp_num)
-		i40iw_free_resource(iwdev, iwdev->allocated_qps, qp_num);
-	if (iwpbl->pbl_allocated)
-		i40iw_free_pble(iwdev->pble_rsrc, &iwpbl->pble_alloc);
-	i40iw_free_dma_mem(iwdev->sc_dev.hw, &iwqp->q2_ctx_mem);
-	i40iw_free_dma_mem(iwdev->sc_dev.hw, &iwqp->kqp.dma_mem);
-	kfree(iwqp->kqp.wrid_mem);
-	iwqp->kqp.wrid_mem = NULL;
-	kfree(iwqp);
-}
-
-/**
- * i40iw_clean_cqes - clean cq entries for qp
- * @iwqp: qp ptr (user or kernel)
- * @iwcq: cq ptr
- */
-static void i40iw_clean_cqes(struct i40iw_qp *iwqp, struct i40iw_cq *iwcq)
-{
-	struct i40iw_cq_uk *ukcq = &iwcq->sc_cq.cq_uk;
-
-	ukcq->ops.iw_cq_clean(&iwqp->sc_qp.qp_uk, ukcq);
-}
-
-/**
- * i40iw_destroy_qp - destroy qp
- * @ibqp: qp's ib pointer also to get to device's qp address
- * @udata: user data
- */
-static int i40iw_destroy_qp(struct ib_qp *ibqp, struct ib_udata *udata)
-{
-	struct i40iw_qp *iwqp = to_iwqp(ibqp);
-	struct ib_qp_attr attr;
-	struct i40iw_device *iwdev = iwqp->iwdev;
-
-	memset(&attr, 0, sizeof(attr));
-
-	iwqp->destroyed = 1;
-
-	if (iwqp->ibqp_state >= IB_QPS_INIT && iwqp->ibqp_state < IB_QPS_RTS)
-		i40iw_next_iw_state(iwqp, I40IW_QP_STATE_ERROR, 0, 0, 0);
-
-	if (!iwqp->user_mode) {
-		if (iwqp->iwscq) {
-			i40iw_clean_cqes(iwqp, iwqp->iwscq);
-			if (iwqp->iwrcq != iwqp->iwscq)
-				i40iw_clean_cqes(iwqp, iwqp->iwrcq);
-		}
-	}
-
-	attr.qp_state = IB_QPS_ERR;
-	i40iw_modify_qp(&iwqp->ibqp, &attr, IB_QP_STATE, NULL);
-	i40iw_qp_rem_ref(&iwqp->ibqp);
-	wait_for_completion(&iwqp->free_qp);
-	i40iw_cqp_qp_destroy_cmd(&iwdev->sc_dev, &iwqp->sc_qp);
-	i40iw_rem_pdusecount(iwqp->iwpd, iwdev);
-	i40iw_free_qp_resources(iwqp);
-	i40iw_rem_devusecount(iwdev);
-
-	return 0;
-}
-
-/**
- * i40iw_setup_virt_qp - setup for allocation of virtual qp
- * @iwdev: iwarp device
- * @iwqp: qp ptr
- * @init_info: initialize info to return
- */
-static int i40iw_setup_virt_qp(struct i40iw_device *iwdev,
-			       struct i40iw_qp *iwqp,
-			       struct i40iw_qp_init_info *init_info)
-{
-	struct i40iw_pbl *iwpbl = &iwqp->iwpbl;
-	struct i40iw_qp_mr *qpmr = &iwpbl->qp_mr;
-
-	iwqp->page = qpmr->sq_page;
-	init_info->shadow_area_pa = cpu_to_le64(qpmr->shadow);
-	if (iwpbl->pbl_allocated) {
-		init_info->virtual_map = true;
-		init_info->sq_pa = qpmr->sq_pbl.idx;
-		init_info->rq_pa = qpmr->rq_pbl.idx;
-	} else {
-		init_info->sq_pa = qpmr->sq_pbl.addr;
-		init_info->rq_pa = qpmr->rq_pbl.addr;
-	}
-	return 0;
-}
-
-/**
- * i40iw_setup_kmode_qp - setup initialization for kernel mode qp
- * @iwdev: iwarp device
- * @iwqp: qp ptr (user or kernel)
- * @info: initialize info to return
- */
-static int i40iw_setup_kmode_qp(struct i40iw_device *iwdev,
-				struct i40iw_qp *iwqp,
-				struct i40iw_qp_init_info *info)
-{
-	struct i40iw_dma_mem *mem = &iwqp->kqp.dma_mem;
-	u32 sqdepth, rqdepth;
-	u8 sqshift;
-	u32 size;
-	enum i40iw_status_code status;
-	struct i40iw_qp_uk_init_info *ukinfo = &info->qp_uk_init_info;
-
-	i40iw_get_wqe_shift(ukinfo->max_sq_frag_cnt, ukinfo->max_inline_data, &sqshift);
-	status = i40iw_get_sqdepth(ukinfo->sq_size, sqshift, &sqdepth);
-	if (status)
-		return -ENOMEM;
-
-	status = i40iw_get_rqdepth(ukinfo->rq_size, I40IW_MAX_RQ_WQE_SHIFT, &rqdepth);
-	if (status)
-		return -ENOMEM;
-
-	size = sqdepth * sizeof(struct i40iw_sq_uk_wr_trk_info) + (rqdepth << 3);
-	iwqp->kqp.wrid_mem = kzalloc(size, GFP_KERNEL);
-
-	ukinfo->sq_wrtrk_array = (struct i40iw_sq_uk_wr_trk_info *)iwqp->kqp.wrid_mem;
-	if (!ukinfo->sq_wrtrk_array)
-		return -ENOMEM;
-
-	ukinfo->rq_wrid_array = (u64 *)&ukinfo->sq_wrtrk_array[sqdepth];
-
-	size = (sqdepth + rqdepth) * I40IW_QP_WQE_MIN_SIZE;
-	size += (I40IW_SHADOW_AREA_SIZE << 3);
-
-	status = i40iw_allocate_dma_mem(iwdev->sc_dev.hw, mem, size, 256);
-	if (status) {
-		kfree(ukinfo->sq_wrtrk_array);
-		ukinfo->sq_wrtrk_array = NULL;
-		return -ENOMEM;
-	}
-
-	ukinfo->sq = mem->va;
-	info->sq_pa = mem->pa;
-
-	ukinfo->rq = &ukinfo->sq[sqdepth];
-	info->rq_pa = info->sq_pa + (sqdepth * I40IW_QP_WQE_MIN_SIZE);
-
-	ukinfo->shadow_area = ukinfo->rq[rqdepth].elem;
-	info->shadow_area_pa = info->rq_pa + (rqdepth * I40IW_QP_WQE_MIN_SIZE);
-
-	ukinfo->sq_size = sqdepth >> sqshift;
-	ukinfo->rq_size = rqdepth >> I40IW_MAX_RQ_WQE_SHIFT;
-	ukinfo->qp_id = iwqp->ibqp.qp_num;
-	return 0;
-}
-
-/**
- * i40iw_create_qp - create qp
- * @ibpd: ptr of pd
- * @init_attr: attributes for qp
- * @udata: user data for create qp
- */
-static struct ib_qp *i40iw_create_qp(struct ib_pd *ibpd,
-				     struct ib_qp_init_attr *init_attr,
-				     struct ib_udata *udata)
-{
-	struct i40iw_pd *iwpd = to_iwpd(ibpd);
-	struct i40iw_device *iwdev = to_iwdev(ibpd->device);
-	struct i40iw_cqp *iwcqp = &iwdev->cqp;
-	struct i40iw_qp *iwqp;
-	struct i40iw_ucontext *ucontext = rdma_udata_to_drv_context(
-		udata, struct i40iw_ucontext, ibucontext);
-	struct i40iw_create_qp_req req;
-	struct i40iw_create_qp_resp uresp;
-	u32 qp_num = 0;
-	enum i40iw_status_code ret;
-	int err_code;
-	int sq_size;
-	int rq_size;
-	struct i40iw_sc_qp *qp;
-	struct i40iw_sc_dev *dev = &iwdev->sc_dev;
-	struct i40iw_qp_init_info init_info;
-	struct i40iw_create_qp_info *qp_info;
-	struct i40iw_cqp_request *cqp_request;
-	struct cqp_commands_info *cqp_info;
-
-	struct i40iw_qp_host_ctx_info *ctx_info;
-	struct i40iwarp_offload_info *iwarp_info;
-	unsigned long flags;
-
-	if (iwdev->closing)
-		return ERR_PTR(-ENODEV);
-
-	if (init_attr->create_flags)
-		return ERR_PTR(-EOPNOTSUPP);
-	if (init_attr->cap.max_inline_data > I40IW_MAX_INLINE_DATA_SIZE)
-		init_attr->cap.max_inline_data = I40IW_MAX_INLINE_DATA_SIZE;
-
-	if (init_attr->cap.max_send_sge > I40IW_MAX_WQ_FRAGMENT_COUNT)
-		init_attr->cap.max_send_sge = I40IW_MAX_WQ_FRAGMENT_COUNT;
-
-	if (init_attr->cap.max_recv_sge > I40IW_MAX_WQ_FRAGMENT_COUNT)
-		init_attr->cap.max_recv_sge = I40IW_MAX_WQ_FRAGMENT_COUNT;
-
-	memset(&init_info, 0, sizeof(init_info));
-
-	sq_size = init_attr->cap.max_send_wr;
-	rq_size = init_attr->cap.max_recv_wr;
-
-	init_info.vsi = &iwdev->vsi;
-	init_info.qp_uk_init_info.sq_size = sq_size;
-	init_info.qp_uk_init_info.rq_size = rq_size;
-	init_info.qp_uk_init_info.max_sq_frag_cnt = init_attr->cap.max_send_sge;
-	init_info.qp_uk_init_info.max_rq_frag_cnt = init_attr->cap.max_recv_sge;
-	init_info.qp_uk_init_info.max_inline_data = init_attr->cap.max_inline_data;
-
-	iwqp = kzalloc(sizeof(*iwqp), GFP_KERNEL);
-	if (!iwqp)
-		return ERR_PTR(-ENOMEM);
-
-	qp = &iwqp->sc_qp;
-	qp->back_qp = (void *)iwqp;
-	iwqp->iwdev = iwdev;
-	iwqp->ctx_info.iwarp_info = &iwqp->iwarp_info;
-
-	if (i40iw_allocate_dma_mem(dev->hw,
-				   &iwqp->q2_ctx_mem,
-				   I40IW_Q2_BUFFER_SIZE + I40IW_QP_CTX_SIZE,
-				   256)) {
-		i40iw_pr_err("dma_mem failed\n");
-		err_code = -ENOMEM;
-		goto error;
-	}
-
-	init_info.q2 = iwqp->q2_ctx_mem.va;
-	init_info.q2_pa = iwqp->q2_ctx_mem.pa;
-
-	init_info.host_ctx = (void *)init_info.q2 + I40IW_Q2_BUFFER_SIZE;
-	init_info.host_ctx_pa = init_info.q2_pa + I40IW_Q2_BUFFER_SIZE;
-
-	err_code = i40iw_alloc_resource(iwdev, iwdev->allocated_qps, iwdev->max_qp,
-					&qp_num, &iwdev->next_qp);
-	if (err_code) {
-		i40iw_pr_err("qp resource\n");
-		goto error;
-	}
-
-	iwqp->iwpd = iwpd;
-	iwqp->ibqp.qp_num = qp_num;
-	qp = &iwqp->sc_qp;
-	iwqp->iwscq = to_iwcq(init_attr->send_cq);
-	iwqp->iwrcq = to_iwcq(init_attr->recv_cq);
-
-	iwqp->host_ctx.va = init_info.host_ctx;
-	iwqp->host_ctx.pa = init_info.host_ctx_pa;
-	iwqp->host_ctx.size = I40IW_QP_CTX_SIZE;
-
-	init_info.pd = &iwpd->sc_pd;
-	init_info.qp_uk_init_info.qp_id = iwqp->ibqp.qp_num;
-	iwqp->ctx_info.qp_compl_ctx = (uintptr_t)qp;
-
-	if (init_attr->qp_type != IB_QPT_RC) {
-		err_code = -EOPNOTSUPP;
-		goto error;
-	}
-	if (udata) {
-		err_code = ib_copy_from_udata(&req, udata, sizeof(req));
-		if (err_code) {
-			i40iw_pr_err("ib_copy_from_data\n");
-			goto error;
-		}
-		iwqp->ctx_info.qp_compl_ctx = req.user_compl_ctx;
-		iwqp->user_mode = 1;
-
-		if (req.user_wqe_buffers) {
-			struct i40iw_pbl *iwpbl;
-
-			spin_lock_irqsave(
-			    &ucontext->qp_reg_mem_list_lock, flags);
-			iwpbl = i40iw_get_pbl(
-			    (unsigned long)req.user_wqe_buffers,
-			    &ucontext->qp_reg_mem_list);
-			spin_unlock_irqrestore(
-			    &ucontext->qp_reg_mem_list_lock, flags);
-
-			if (!iwpbl) {
-				err_code = -ENODATA;
-				i40iw_pr_err("no pbl info\n");
-				goto error;
-			}
-			memcpy(&iwqp->iwpbl, iwpbl, sizeof(iwqp->iwpbl));
-		}
-		err_code = i40iw_setup_virt_qp(iwdev, iwqp, &init_info);
-	} else {
-		err_code = i40iw_setup_kmode_qp(iwdev, iwqp, &init_info);
-	}
-
-	if (err_code) {
-		i40iw_pr_err("setup qp failed\n");
-		goto error;
-	}
-
-	init_info.type = I40IW_QP_TYPE_IWARP;
-	ret = dev->iw_priv_qp_ops->qp_init(qp, &init_info);
-	if (ret) {
-		err_code = -EPROTO;
-		i40iw_pr_err("qp_init fail\n");
-		goto error;
-	}
-	ctx_info = &iwqp->ctx_info;
-	iwarp_info = &iwqp->iwarp_info;
-	iwarp_info->rd_enable = true;
-	iwarp_info->wr_rdresp_en = true;
-	if (!iwqp->user_mode) {
-		iwarp_info->fast_reg_en = true;
-		iwarp_info->priv_mode_en = true;
-	}
-	iwarp_info->ddp_ver = 1;
-	iwarp_info->rdmap_ver = 1;
-
-	ctx_info->iwarp_info_valid = true;
-	ctx_info->send_cq_num = iwqp->iwscq->sc_cq.cq_uk.cq_id;
-	ctx_info->rcv_cq_num = iwqp->iwrcq->sc_cq.cq_uk.cq_id;
-	ret = dev->iw_priv_qp_ops->qp_setctx(&iwqp->sc_qp,
-					     (u64 *)iwqp->host_ctx.va,
-					     ctx_info);
-	ctx_info->iwarp_info_valid = false;
-	cqp_request = i40iw_get_cqp_request(iwcqp, true);
-	if (!cqp_request) {
-		err_code = -ENOMEM;
-		goto error;
-	}
-	cqp_info = &cqp_request->info;
-	qp_info = &cqp_request->info.in.u.qp_create.info;
-
-	memset(qp_info, 0, sizeof(*qp_info));
-
-	qp_info->cq_num_valid = true;
-	qp_info->next_iwarp_state = I40IW_QP_STATE_IDLE;
-
-	cqp_info->cqp_cmd = OP_QP_CREATE;
-	cqp_info->post_sq = 1;
-	cqp_info->in.u.qp_create.qp = qp;
-	cqp_info->in.u.qp_create.scratch = (uintptr_t)cqp_request;
-	ret = i40iw_handle_cqp_op(iwdev, cqp_request);
-	if (ret) {
-		i40iw_pr_err("CQP-OP QP create fail");
-		err_code = -EACCES;
-		goto error;
-	}
-
-	refcount_set(&iwqp->refcount, 1);
-	spin_lock_init(&iwqp->lock);
-	iwqp->sig_all = (init_attr->sq_sig_type == IB_SIGNAL_ALL_WR) ? 1 : 0;
-	iwdev->qp_table[qp_num] = iwqp;
-	i40iw_add_pdusecount(iwqp->iwpd);
-	i40iw_add_devusecount(iwdev);
-	if (udata) {
-		memset(&uresp, 0, sizeof(uresp));
-		uresp.actual_sq_size = sq_size;
-		uresp.actual_rq_size = rq_size;
-		uresp.qp_id = qp_num;
-		uresp.push_idx = I40IW_INVALID_PUSH_PAGE_INDEX;
-		err_code = ib_copy_to_udata(udata, &uresp, sizeof(uresp));
-		if (err_code) {
-			i40iw_pr_err("copy_to_udata failed\n");
-			i40iw_destroy_qp(&iwqp->ibqp, udata);
-			/* let the completion of the qp destroy free the qp */
-			return ERR_PTR(err_code);
-		}
-	}
-	init_completion(&iwqp->sq_drained);
-	init_completion(&iwqp->rq_drained);
-	init_completion(&iwqp->free_qp);
-
-	return &iwqp->ibqp;
-error:
-	i40iw_free_qp_resources(iwqp);
-	return ERR_PTR(err_code);
-}
-
-/**
- * i40iw_query_qp - query qp attributes
- * @ibqp: qp pointer
- * @attr: attributes pointer
- * @attr_mask: Not used
- * @init_attr: qp attributes to return
- */
-static int i40iw_query_qp(struct ib_qp *ibqp,
-			  struct ib_qp_attr *attr,
-			  int attr_mask,
-			  struct ib_qp_init_attr *init_attr)
-{
-	struct i40iw_qp *iwqp = to_iwqp(ibqp);
-	struct i40iw_sc_qp *qp = &iwqp->sc_qp;
-
-	attr->qp_state = iwqp->ibqp_state;
-	attr->cur_qp_state = attr->qp_state;
-	attr->qp_access_flags = 0;
-	attr->cap.max_send_wr = qp->qp_uk.sq_size;
-	attr->cap.max_recv_wr = qp->qp_uk.rq_size;
-	attr->cap.max_inline_data = I40IW_MAX_INLINE_DATA_SIZE;
-	attr->cap.max_send_sge = I40IW_MAX_WQ_FRAGMENT_COUNT;
-	attr->cap.max_recv_sge = I40IW_MAX_WQ_FRAGMENT_COUNT;
-	attr->port_num = 1;
-	init_attr->event_handler = iwqp->ibqp.event_handler;
-	init_attr->qp_context = iwqp->ibqp.qp_context;
-	init_attr->send_cq = iwqp->ibqp.send_cq;
-	init_attr->recv_cq = iwqp->ibqp.recv_cq;
-	init_attr->srq = iwqp->ibqp.srq;
-	init_attr->cap = attr->cap;
-	init_attr->port_num = 1;
-	return 0;
-}
-
-/**
- * i40iw_hw_modify_qp - setup cqp for modify qp
- * @iwdev: iwarp device
- * @iwqp: qp ptr (user or kernel)
- * @info: info for modify qp
- * @wait: flag to wait or not for modify qp completion
- */
-void i40iw_hw_modify_qp(struct i40iw_device *iwdev, struct i40iw_qp *iwqp,
-			struct i40iw_modify_qp_info *info, bool wait)
-{
-	struct i40iw_cqp_request *cqp_request;
-	struct cqp_commands_info *cqp_info;
-	struct i40iw_modify_qp_info *m_info;
-	struct i40iw_gen_ae_info ae_info;
-
-	cqp_request = i40iw_get_cqp_request(&iwdev->cqp, wait);
-	if (!cqp_request)
-		return;
-
-	cqp_info = &cqp_request->info;
-	m_info = &cqp_info->in.u.qp_modify.info;
-	memcpy(m_info, info, sizeof(*m_info));
-	cqp_info->cqp_cmd = OP_QP_MODIFY;
-	cqp_info->post_sq = 1;
-	cqp_info->in.u.qp_modify.qp = &iwqp->sc_qp;
-	cqp_info->in.u.qp_modify.scratch = (uintptr_t)cqp_request;
-	if (!i40iw_handle_cqp_op(iwdev, cqp_request))
-		return;
-
-	switch (m_info->next_iwarp_state) {
-	case I40IW_QP_STATE_RTS:
-		if (iwqp->iwarp_state == I40IW_QP_STATE_IDLE)
-			i40iw_send_reset(iwqp->cm_node);
-		fallthrough;
-	case I40IW_QP_STATE_IDLE:
-	case I40IW_QP_STATE_TERMINATE:
-	case I40IW_QP_STATE_CLOSING:
-		ae_info.ae_code = I40IW_AE_BAD_CLOSE;
-		ae_info.ae_source = 0;
-		i40iw_gen_ae(iwdev, &iwqp->sc_qp, &ae_info, false);
-		break;
-	case I40IW_QP_STATE_ERROR:
-	default:
-		break;
-	}
-}
-
-/**
- * i40iw_modify_qp - modify qp request
- * @ibqp: qp's pointer for modify
- * @attr: access attributes
- * @attr_mask: state mask
- * @udata: user data
- */
-int i40iw_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
-		    int attr_mask, struct ib_udata *udata)
-{
-	struct i40iw_qp *iwqp = to_iwqp(ibqp);
-	struct i40iw_device *iwdev = iwqp->iwdev;
-	struct i40iw_qp_host_ctx_info *ctx_info;
-	struct i40iwarp_offload_info *iwarp_info;
-	struct i40iw_modify_qp_info info;
-	u8 issue_modify_qp = 0;
-	u8 dont_wait = 0;
-	u32 err;
-	unsigned long flags;
-
-	if (attr_mask & ~IB_QP_ATTR_STANDARD_BITS)
-		return -EOPNOTSUPP;
-
-	memset(&info, 0, sizeof(info));
-	ctx_info = &iwqp->ctx_info;
-	iwarp_info = &iwqp->iwarp_info;
-
-	spin_lock_irqsave(&iwqp->lock, flags);
-
-	if (attr_mask & IB_QP_STATE) {
-		if (iwdev->closing && attr->qp_state != IB_QPS_ERR) {
-			err = -EINVAL;
-			goto exit;
-		}
-
-		switch (attr->qp_state) {
-		case IB_QPS_INIT:
-		case IB_QPS_RTR:
-			if (iwqp->iwarp_state > (u32)I40IW_QP_STATE_IDLE) {
-				err = -EINVAL;
-				goto exit;
-			}
-			if (iwqp->iwarp_state == I40IW_QP_STATE_INVALID) {
-				info.next_iwarp_state = I40IW_QP_STATE_IDLE;
-				issue_modify_qp = 1;
-			}
-			break;
-		case IB_QPS_RTS:
-			if ((iwqp->iwarp_state > (u32)I40IW_QP_STATE_RTS) ||
-			    (!iwqp->cm_id)) {
-				err = -EINVAL;
-				goto exit;
-			}
-
-			issue_modify_qp = 1;
-			iwqp->hw_tcp_state = I40IW_TCP_STATE_ESTABLISHED;
-			iwqp->hte_added = 1;
-			info.next_iwarp_state = I40IW_QP_STATE_RTS;
-			info.tcp_ctx_valid = true;
-			info.ord_valid = true;
-			info.arp_cache_idx_valid = true;
-			info.cq_num_valid = true;
-			break;
-		case IB_QPS_SQD:
-			if (iwqp->hw_iwarp_state > (u32)I40IW_QP_STATE_RTS) {
-				err = 0;
-				goto exit;
-			}
-			if ((iwqp->iwarp_state == (u32)I40IW_QP_STATE_CLOSING) ||
-			    (iwqp->iwarp_state < (u32)I40IW_QP_STATE_RTS)) {
-				err = 0;
-				goto exit;
-			}
-			if (iwqp->iwarp_state > (u32)I40IW_QP_STATE_CLOSING) {
-				err = -EINVAL;
-				goto exit;
-			}
-			info.next_iwarp_state = I40IW_QP_STATE_CLOSING;
-			issue_modify_qp = 1;
-			break;
-		case IB_QPS_SQE:
-			if (iwqp->iwarp_state >= (u32)I40IW_QP_STATE_TERMINATE) {
-				err = -EINVAL;
-				goto exit;
-			}
-			info.next_iwarp_state = I40IW_QP_STATE_TERMINATE;
-			issue_modify_qp = 1;
-			break;
-		case IB_QPS_ERR:
-		case IB_QPS_RESET:
-			if (iwqp->iwarp_state == (u32)I40IW_QP_STATE_ERROR) {
-				err = -EINVAL;
-				goto exit;
-			}
-			if (iwqp->sc_qp.term_flags)
-				i40iw_terminate_del_timer(&iwqp->sc_qp);
-			info.next_iwarp_state = I40IW_QP_STATE_ERROR;
-			if ((iwqp->hw_tcp_state > I40IW_TCP_STATE_CLOSED) &&
-			    iwdev->iw_status &&
-			    (iwqp->hw_tcp_state != I40IW_TCP_STATE_TIME_WAIT))
-				info.reset_tcp_conn = true;
-			else
-				dont_wait = 1;
-			issue_modify_qp = 1;
-			info.next_iwarp_state = I40IW_QP_STATE_ERROR;
-			break;
-		default:
-			err = -EINVAL;
-			goto exit;
-		}
-
-		iwqp->ibqp_state = attr->qp_state;
-
-	}
-	if (attr_mask & IB_QP_ACCESS_FLAGS) {
-		ctx_info->iwarp_info_valid = true;
-		if (attr->qp_access_flags & IB_ACCESS_LOCAL_WRITE)
-			iwarp_info->wr_rdresp_en = true;
-		if (attr->qp_access_flags & IB_ACCESS_REMOTE_WRITE)
-			iwarp_info->wr_rdresp_en = true;
-		if (attr->qp_access_flags & IB_ACCESS_REMOTE_READ)
-			iwarp_info->rd_enable = true;
-		if (attr->qp_access_flags & IB_ACCESS_MW_BIND)
-			iwarp_info->bind_en = true;
-
-		if (iwqp->user_mode) {
-			iwarp_info->rd_enable = true;
-			iwarp_info->wr_rdresp_en = true;
-			iwarp_info->priv_mode_en = false;
-		}
-	}
-
-	if (ctx_info->iwarp_info_valid) {
-		struct i40iw_sc_dev *dev = &iwdev->sc_dev;
-		int ret;
-
-		ctx_info->send_cq_num = iwqp->iwscq->sc_cq.cq_uk.cq_id;
-		ctx_info->rcv_cq_num = iwqp->iwrcq->sc_cq.cq_uk.cq_id;
-		ret = dev->iw_priv_qp_ops->qp_setctx(&iwqp->sc_qp,
-						     (u64 *)iwqp->host_ctx.va,
-						     ctx_info);
-		if (ret) {
-			i40iw_pr_err("setting QP context\n");
-			err = -EINVAL;
-			goto exit;
-		}
-	}
-
-	spin_unlock_irqrestore(&iwqp->lock, flags);
-
-	if (issue_modify_qp) {
-		i40iw_hw_modify_qp(iwdev, iwqp, &info, true);
-
-		spin_lock_irqsave(&iwqp->lock, flags);
-		iwqp->iwarp_state = info.next_iwarp_state;
-		spin_unlock_irqrestore(&iwqp->lock, flags);
-	}
-
-	if (issue_modify_qp && (iwqp->ibqp_state > IB_QPS_RTS)) {
-		if (dont_wait) {
-			if (iwqp->cm_id && iwqp->hw_tcp_state) {
-				spin_lock_irqsave(&iwqp->lock, flags);
-				iwqp->hw_tcp_state = I40IW_TCP_STATE_CLOSED;
-				iwqp->last_aeq = I40IW_AE_RESET_SENT;
-				spin_unlock_irqrestore(&iwqp->lock, flags);
-				i40iw_cm_disconn(iwqp);
-			}
-		} else {
-			spin_lock_irqsave(&iwqp->lock, flags);
-			if (iwqp->cm_id) {
-				if (atomic_inc_return(&iwqp->close_timer_started) == 1) {
-					iwqp->cm_id->add_ref(iwqp->cm_id);
-					i40iw_schedule_cm_timer(iwqp->cm_node,
-								(struct i40iw_puda_buf *)iwqp,
-								 I40IW_TIMER_TYPE_CLOSE, 1, 0);
-				}
-			}
-			spin_unlock_irqrestore(&iwqp->lock, flags);
-		}
-	}
-	return 0;
-exit:
-	spin_unlock_irqrestore(&iwqp->lock, flags);
-	return err;
-}
-
-/**
- * cq_free_resources - free up recources for cq
- * @iwdev: iwarp device
- * @iwcq: cq ptr
- */
-static void cq_free_resources(struct i40iw_device *iwdev, struct i40iw_cq *iwcq)
-{
-	struct i40iw_sc_cq *cq = &iwcq->sc_cq;
-
-	if (!iwcq->user_mode)
-		i40iw_free_dma_mem(iwdev->sc_dev.hw, &iwcq->kmem);
-	i40iw_free_resource(iwdev, iwdev->allocated_cqs, cq->cq_uk.cq_id);
-}
-
-/**
- * i40iw_cq_wq_destroy - send cq destroy cqp
- * @iwdev: iwarp device
- * @cq: hardware control cq
- */
-void i40iw_cq_wq_destroy(struct i40iw_device *iwdev, struct i40iw_sc_cq *cq)
-{
-	enum i40iw_status_code status;
-	struct i40iw_cqp_request *cqp_request;
-	struct cqp_commands_info *cqp_info;
-
-	cqp_request = i40iw_get_cqp_request(&iwdev->cqp, true);
-	if (!cqp_request)
-		return;
-
-	cqp_info = &cqp_request->info;
-
-	cqp_info->cqp_cmd = OP_CQ_DESTROY;
-	cqp_info->post_sq = 1;
-	cqp_info->in.u.cq_destroy.cq = cq;
-	cqp_info->in.u.cq_destroy.scratch = (uintptr_t)cqp_request;
-	status = i40iw_handle_cqp_op(iwdev, cqp_request);
-	if (status)
-		i40iw_pr_err("CQP-OP Destroy QP fail");
-}
-
-/**
- * i40iw_destroy_cq - destroy cq
- * @ib_cq: cq pointer
- * @udata: user data or NULL for kernel object
- */
-static int i40iw_destroy_cq(struct ib_cq *ib_cq, struct ib_udata *udata)
-{
-	struct i40iw_cq *iwcq;
-	struct i40iw_device *iwdev;
-	struct i40iw_sc_cq *cq;
-
-	iwcq = to_iwcq(ib_cq);
-	iwdev = to_iwdev(ib_cq->device);
-	cq = &iwcq->sc_cq;
-	i40iw_cq_wq_destroy(iwdev, cq);
-	cq_free_resources(iwdev, iwcq);
-	i40iw_rem_devusecount(iwdev);
-	return 0;
-}
-
-/**
- * i40iw_create_cq - create cq
- * @ibcq: CQ allocated
- * @attr: attributes for cq
- * @udata: user data
- */
-static int i40iw_create_cq(struct ib_cq *ibcq,
-			   const struct ib_cq_init_attr *attr,
-			   struct ib_udata *udata)
-{
-	struct ib_device *ibdev = ibcq->device;
-	struct i40iw_device *iwdev = to_iwdev(ibdev);
-	struct i40iw_cq *iwcq = to_iwcq(ibcq);
-	struct i40iw_pbl *iwpbl;
-	u32 cq_num = 0;
-	struct i40iw_sc_cq *cq;
-	struct i40iw_sc_dev *dev = &iwdev->sc_dev;
-	struct i40iw_cq_init_info info = {};
-	enum i40iw_status_code status;
-	struct i40iw_cqp_request *cqp_request;
-	struct cqp_commands_info *cqp_info;
-	struct i40iw_cq_uk_init_info *ukinfo = &info.cq_uk_init_info;
-	unsigned long flags;
-	int err_code;
-	int entries = attr->cqe;
-
-	if (attr->flags)
-		return -EOPNOTSUPP;
-
-	if (iwdev->closing)
-		return -ENODEV;
-
-	if (entries > iwdev->max_cqe)
-		return -EINVAL;
-
-	err_code = i40iw_alloc_resource(iwdev, iwdev->allocated_cqs,
-					iwdev->max_cq, &cq_num,
-					&iwdev->next_cq);
-	if (err_code)
-		return err_code;
-
-	cq = &iwcq->sc_cq;
-	cq->back_cq = (void *)iwcq;
-	spin_lock_init(&iwcq->lock);
-
-	info.dev = dev;
-	ukinfo->cq_size = max(entries, 4);
-	ukinfo->cq_id = cq_num;
-	iwcq->ibcq.cqe = info.cq_uk_init_info.cq_size;
-	info.ceqe_mask = 0;
-	if (attr->comp_vector < iwdev->ceqs_count)
-		info.ceq_id = attr->comp_vector;
-	info.ceq_id_valid = true;
-	info.ceqe_mask = 1;
-	info.type = I40IW_CQ_TYPE_IWARP;
-	if (udata) {
-		struct i40iw_ucontext *ucontext = rdma_udata_to_drv_context(
-			udata, struct i40iw_ucontext, ibucontext);
-		struct i40iw_create_cq_req req;
-		struct i40iw_cq_mr *cqmr;
-
-		memset(&req, 0, sizeof(req));
-		iwcq->user_mode = true;
-		if (ib_copy_from_udata(&req, udata, sizeof(struct i40iw_create_cq_req))) {
-			err_code = -EFAULT;
-			goto cq_free_resources;
-		}
-
-		spin_lock_irqsave(&ucontext->cq_reg_mem_list_lock, flags);
-		iwpbl = i40iw_get_pbl((unsigned long)req.user_cq_buffer,
-				      &ucontext->cq_reg_mem_list);
-		spin_unlock_irqrestore(&ucontext->cq_reg_mem_list_lock, flags);
-		if (!iwpbl) {
-			err_code = -EPROTO;
-			goto cq_free_resources;
-		}
-
-		iwcq->iwpbl = iwpbl;
-		iwcq->cq_mem_size = 0;
-		cqmr = &iwpbl->cq_mr;
-		info.shadow_area_pa = cpu_to_le64(cqmr->shadow);
-		if (iwpbl->pbl_allocated) {
-			info.virtual_map = true;
-			info.pbl_chunk_size = 1;
-			info.first_pm_pbl_idx = cqmr->cq_pbl.idx;
-		} else {
-			info.cq_base_pa = cqmr->cq_pbl.addr;
-		}
-	} else {
-		/* Kmode allocations */
-		int rsize;
-		int shadow;
-
-		rsize = info.cq_uk_init_info.cq_size * sizeof(struct i40iw_cqe);
-		rsize = round_up(rsize, 256);
-		shadow = I40IW_SHADOW_AREA_SIZE << 3;
-		status = i40iw_allocate_dma_mem(dev->hw, &iwcq->kmem,
-						rsize + shadow, 256);
-		if (status) {
-			err_code = -ENOMEM;
-			goto cq_free_resources;
-		}
-		ukinfo->cq_base = iwcq->kmem.va;
-		info.cq_base_pa = iwcq->kmem.pa;
-		info.shadow_area_pa = info.cq_base_pa + rsize;
-		ukinfo->shadow_area = iwcq->kmem.va + rsize;
-	}
-
-	if (dev->iw_priv_cq_ops->cq_init(cq, &info)) {
-		i40iw_pr_err("init cq fail\n");
-		err_code = -EPROTO;
-		goto cq_free_resources;
-	}
-
-	cqp_request = i40iw_get_cqp_request(&iwdev->cqp, true);
-	if (!cqp_request) {
-		err_code = -ENOMEM;
-		goto cq_free_resources;
-	}
-
-	cqp_info = &cqp_request->info;
-	cqp_info->cqp_cmd = OP_CQ_CREATE;
-	cqp_info->post_sq = 1;
-	cqp_info->in.u.cq_create.cq = cq;
-	cqp_info->in.u.cq_create.scratch = (uintptr_t)cqp_request;
-	status = i40iw_handle_cqp_op(iwdev, cqp_request);
-	if (status) {
-		i40iw_pr_err("CQP-OP Create QP fail");
-		err_code = -EPROTO;
-		goto cq_free_resources;
-	}
-
-	if (udata) {
-		struct i40iw_create_cq_resp resp;
-
-		memset(&resp, 0, sizeof(resp));
-		resp.cq_id = info.cq_uk_init_info.cq_id;
-		resp.cq_size = info.cq_uk_init_info.cq_size;
-		if (ib_copy_to_udata(udata, &resp, sizeof(resp))) {
-			i40iw_pr_err("copy to user data\n");
-			err_code = -EPROTO;
-			goto cq_destroy;
-		}
-	}
-
-	i40iw_add_devusecount(iwdev);
-	return 0;
-
-cq_destroy:
-	i40iw_cq_wq_destroy(iwdev, cq);
-cq_free_resources:
-	cq_free_resources(iwdev, iwcq);
-	return err_code;
-}
-
-/**
- * i40iw_get_user_access - get hw access from IB access
- * @acc: IB access to return hw access
- */
-static inline u16 i40iw_get_user_access(int acc)
-{
-	u16 access = 0;
-
-	access |= (acc & IB_ACCESS_LOCAL_WRITE) ? I40IW_ACCESS_FLAGS_LOCALWRITE : 0;
-	access |= (acc & IB_ACCESS_REMOTE_WRITE) ? I40IW_ACCESS_FLAGS_REMOTEWRITE : 0;
-	access |= (acc & IB_ACCESS_REMOTE_READ) ? I40IW_ACCESS_FLAGS_REMOTEREAD : 0;
-	access |= (acc & IB_ACCESS_MW_BIND) ? I40IW_ACCESS_FLAGS_BIND_WINDOW : 0;
-	return access;
-}
-
-/**
- * i40iw_free_stag - free stag resource
- * @iwdev: iwarp device
- * @stag: stag to free
- */
-static void i40iw_free_stag(struct i40iw_device *iwdev, u32 stag)
-{
-	u32 stag_idx;
-
-	stag_idx = (stag & iwdev->mr_stagmask) >> I40IW_CQPSQ_STAG_IDX_SHIFT;
-	i40iw_free_resource(iwdev, iwdev->allocated_mrs, stag_idx);
-	i40iw_rem_devusecount(iwdev);
-}
-
-/**
- * i40iw_create_stag - create random stag
- * @iwdev: iwarp device
- */
-static u32 i40iw_create_stag(struct i40iw_device *iwdev)
-{
-	u32 stag = 0;
-	u32 stag_index = 0;
-	u32 next_stag_index;
-	u32 driver_key;
-	u32 random;
-	u8 consumer_key;
-	int ret;
-
-	get_random_bytes(&random, sizeof(random));
-	consumer_key = (u8)random;
-
-	driver_key = random & ~iwdev->mr_stagmask;
-	next_stag_index = (random & iwdev->mr_stagmask) >> 8;
-	next_stag_index %= iwdev->max_mr;
-
-	ret = i40iw_alloc_resource(iwdev,
-				   iwdev->allocated_mrs, iwdev->max_mr,
-				   &stag_index, &next_stag_index);
-	if (!ret) {
-		stag = stag_index << I40IW_CQPSQ_STAG_IDX_SHIFT;
-		stag |= driver_key;
-		stag += (u32)consumer_key;
-		i40iw_add_devusecount(iwdev);
-	}
-	return stag;
-}
-
-/**
- * i40iw_next_pbl_addr - Get next pbl address
- * @pbl: pointer to a pble
- * @pinfo: info pointer
- * @idx: index
- */
-static inline u64 *i40iw_next_pbl_addr(u64 *pbl,
-				       struct i40iw_pble_info **pinfo,
-				       u32 *idx)
-{
-	*idx += 1;
-	if ((!(*pinfo)) || (*idx != (*pinfo)->cnt))
-		return ++pbl;
-	*idx = 0;
-	(*pinfo)++;
-	return (u64 *)(*pinfo)->addr;
-}
-
-/**
- * i40iw_copy_user_pgaddrs - copy user page address to pble's os locally
- * @iwmr: iwmr for IB's user page addresses
- * @pbl: ple pointer to save 1 level or 0 level pble
- * @level: indicated level 0, 1 or 2
- */
-static void i40iw_copy_user_pgaddrs(struct i40iw_mr *iwmr,
-				    u64 *pbl,
-				    enum i40iw_pble_level level)
-{
-	struct ib_umem *region = iwmr->region;
-	struct i40iw_pbl *iwpbl = &iwmr->iwpbl;
-	struct i40iw_pble_alloc *palloc = &iwpbl->pble_alloc;
-	struct i40iw_pble_info *pinfo;
-	struct ib_block_iter biter;
-	u32 idx = 0;
-
-	pinfo = (level == I40IW_LEVEL_1) ? NULL : palloc->level2.leaf;
-
-	if (iwmr->type == IW_MEMREG_TYPE_QP)
-		iwpbl->qp_mr.sq_page = sg_page(region->sg_head.sgl);
-
-	rdma_umem_for_each_dma_block(region, &biter, iwmr->page_size) {
-		*pbl = rdma_block_iter_dma_address(&biter);
-		pbl = i40iw_next_pbl_addr(pbl, &pinfo, &idx);
-	}
-}
-
-/**
- * i40iw_check_mem_contiguous - check if pbls stored in arr are contiguous
- * @arr: lvl1 pbl array
- * @npages: page count
- * @pg_size: page size
- *
- */
-static bool i40iw_check_mem_contiguous(u64 *arr, u32 npages, u32 pg_size)
-{
-	u32 pg_idx;
-
-	for (pg_idx = 0; pg_idx < npages; pg_idx++) {
-		if ((*arr + (pg_size * pg_idx)) != arr[pg_idx])
-			return false;
-	}
-	return true;
-}
-
-/**
- * i40iw_check_mr_contiguous - check if MR is physically contiguous
- * @palloc: pbl allocation struct
- * @pg_size: page size
- */
-static bool i40iw_check_mr_contiguous(struct i40iw_pble_alloc *palloc, u32 pg_size)
-{
-	struct i40iw_pble_level2 *lvl2 = &palloc->level2;
-	struct i40iw_pble_info *leaf = lvl2->leaf;
-	u64 *arr = NULL;
-	u64 *start_addr = NULL;
-	int i;
-	bool ret;
-
-	if (palloc->level == I40IW_LEVEL_1) {
-		arr = (u64 *)palloc->level1.addr;
-		ret = i40iw_check_mem_contiguous(arr, palloc->total_cnt, pg_size);
-		return ret;
-	}
-
-	start_addr = (u64 *)leaf->addr;
-
-	for (i = 0; i < lvl2->leaf_cnt; i++, leaf++) {
-		arr = (u64 *)leaf->addr;
-		if ((*start_addr + (i * pg_size * PBLE_PER_PAGE)) != *arr)
-			return false;
-		ret = i40iw_check_mem_contiguous(arr, leaf->cnt, pg_size);
-		if (!ret)
-			return false;
-	}
-
-	return true;
-}
-
-/**
- * i40iw_setup_pbles - copy user pg address to pble's
- * @iwdev: iwarp device
- * @iwmr: mr pointer for this memory registration
- * @use_pbles: flag if to use pble's
- */
-static int i40iw_setup_pbles(struct i40iw_device *iwdev,
-			     struct i40iw_mr *iwmr,
-			     bool use_pbles)
-{
-	struct i40iw_pbl *iwpbl = &iwmr->iwpbl;
-	struct i40iw_pble_alloc *palloc = &iwpbl->pble_alloc;
-	struct i40iw_pble_info *pinfo;
-	u64 *pbl;
-	enum i40iw_status_code status;
-	enum i40iw_pble_level level = I40IW_LEVEL_1;
-
-	if (use_pbles) {
-		mutex_lock(&iwdev->pbl_mutex);
-		status = i40iw_get_pble(&iwdev->sc_dev, iwdev->pble_rsrc, palloc, iwmr->page_cnt);
-		mutex_unlock(&iwdev->pbl_mutex);
-		if (status)
-			return -ENOMEM;
-
-		iwpbl->pbl_allocated = true;
-		level = palloc->level;
-		pinfo = (level == I40IW_LEVEL_1) ? &palloc->level1 : palloc->level2.leaf;
-		pbl = (u64 *)pinfo->addr;
-	} else {
-		pbl = iwmr->pgaddrmem;
-	}
-
-	i40iw_copy_user_pgaddrs(iwmr, pbl, level);
-
-	if (use_pbles)
-		iwmr->pgaddrmem[0] = *pbl;
-
-	return 0;
-}
-
-/**
- * i40iw_handle_q_mem - handle memory for qp and cq
- * @iwdev: iwarp device
- * @req: information for q memory management
- * @iwpbl: pble struct
- * @use_pbles: flag to use pble
- */
-static int i40iw_handle_q_mem(struct i40iw_device *iwdev,
-			      struct i40iw_mem_reg_req *req,
-			      struct i40iw_pbl *iwpbl,
-			      bool use_pbles)
-{
-	struct i40iw_pble_alloc *palloc = &iwpbl->pble_alloc;
-	struct i40iw_mr *iwmr = iwpbl->iwmr;
-	struct i40iw_qp_mr *qpmr = &iwpbl->qp_mr;
-	struct i40iw_cq_mr *cqmr = &iwpbl->cq_mr;
-	struct i40iw_hmc_pble *hmc_p;
-	u64 *arr = iwmr->pgaddrmem;
-	u32 pg_size;
-	int err;
-	int total;
-	bool ret = true;
-
-	total = req->sq_pages + req->rq_pages + req->cq_pages;
-	pg_size = iwmr->page_size;
-
-	err = i40iw_setup_pbles(iwdev, iwmr, use_pbles);
-	if (err)
-		return err;
-
-	if (use_pbles && (palloc->level != I40IW_LEVEL_1)) {
-		i40iw_free_pble(iwdev->pble_rsrc, palloc);
-		iwpbl->pbl_allocated = false;
-		return -ENOMEM;
-	}
-
-	if (use_pbles)
-		arr = (u64 *)palloc->level1.addr;
-
-	if (iwmr->type == IW_MEMREG_TYPE_QP) {
-		hmc_p = &qpmr->sq_pbl;
-		qpmr->shadow = (dma_addr_t)arr[total];
-
-		if (use_pbles) {
-			ret = i40iw_check_mem_contiguous(arr, req->sq_pages, pg_size);
-			if (ret)
-				ret = i40iw_check_mem_contiguous(&arr[req->sq_pages], req->rq_pages, pg_size);
-		}
-
-		if (!ret) {
-			hmc_p->idx = palloc->level1.idx;
-			hmc_p = &qpmr->rq_pbl;
-			hmc_p->idx = palloc->level1.idx + req->sq_pages;
-		} else {
-			hmc_p->addr = arr[0];
-			hmc_p = &qpmr->rq_pbl;
-			hmc_p->addr = arr[req->sq_pages];
-		}
-	} else {		/* CQ */
-		hmc_p = &cqmr->cq_pbl;
-		cqmr->shadow = (dma_addr_t)arr[total];
-
-		if (use_pbles)
-			ret = i40iw_check_mem_contiguous(arr, req->cq_pages, pg_size);
-
-		if (!ret)
-			hmc_p->idx = palloc->level1.idx;
-		else
-			hmc_p->addr = arr[0];
-	}
-
-	if (use_pbles && ret) {
-		i40iw_free_pble(iwdev->pble_rsrc, palloc);
-		iwpbl->pbl_allocated = false;
-	}
-
-	return err;
-}
-
-/**
- * i40iw_hw_alloc_stag - cqp command to allocate stag
- * @iwdev: iwarp device
- * @iwmr: iwarp mr pointer
- */
-static int i40iw_hw_alloc_stag(struct i40iw_device *iwdev, struct i40iw_mr *iwmr)
-{
-	struct i40iw_allocate_stag_info *info;
-	struct i40iw_pd *iwpd = to_iwpd(iwmr->ibmr.pd);
-	enum i40iw_status_code status;
-	int err = 0;
-	struct i40iw_cqp_request *cqp_request;
-	struct cqp_commands_info *cqp_info;
-
-	cqp_request = i40iw_get_cqp_request(&iwdev->cqp, true);
-	if (!cqp_request)
-		return -ENOMEM;
-
-	cqp_info = &cqp_request->info;
-	info = &cqp_info->in.u.alloc_stag.info;
-	memset(info, 0, sizeof(*info));
-	info->page_size = PAGE_SIZE;
-	info->stag_idx = iwmr->stag >> I40IW_CQPSQ_STAG_IDX_SHIFT;
-	info->pd_id = iwpd->sc_pd.pd_id;
-	info->total_len = iwmr->length;
-	info->remote_access = true;
-	cqp_info->cqp_cmd = OP_ALLOC_STAG;
-	cqp_info->post_sq = 1;
-	cqp_info->in.u.alloc_stag.dev = &iwdev->sc_dev;
-	cqp_info->in.u.alloc_stag.scratch = (uintptr_t)cqp_request;
-
-	status = i40iw_handle_cqp_op(iwdev, cqp_request);
-	if (status) {
-		err = -ENOMEM;
-		i40iw_pr_err("CQP-OP MR Reg fail");
-	}
-	return err;
-}
-
-/**
- * i40iw_alloc_mr - register stag for fast memory registration
- * @pd: ibpd pointer
- * @mr_type: memory for stag registrion
- * @max_num_sg: man number of pages
- */
-static struct ib_mr *i40iw_alloc_mr(struct ib_pd *pd, enum ib_mr_type mr_type,
-				    u32 max_num_sg)
-{
-	struct i40iw_pd *iwpd = to_iwpd(pd);
-	struct i40iw_device *iwdev = to_iwdev(pd->device);
-	struct i40iw_pble_alloc *palloc;
-	struct i40iw_pbl *iwpbl;
-	struct i40iw_mr *iwmr;
-	enum i40iw_status_code status;
-	u32 stag;
-	int err_code = -ENOMEM;
-
-	iwmr = kzalloc(sizeof(*iwmr), GFP_KERNEL);
-	if (!iwmr)
-		return ERR_PTR(-ENOMEM);
-
-	stag = i40iw_create_stag(iwdev);
-	if (!stag) {
-		err_code = -EOVERFLOW;
-		goto err;
-	}
-	stag &= ~I40IW_CQPSQ_STAG_KEY_MASK;
-	iwmr->stag = stag;
-	iwmr->ibmr.rkey = stag;
-	iwmr->ibmr.lkey = stag;
-	iwmr->ibmr.pd = pd;
-	iwmr->ibmr.device = pd->device;
-	iwpbl = &iwmr->iwpbl;
-	iwpbl->iwmr = iwmr;
-	iwmr->type = IW_MEMREG_TYPE_MEM;
-	palloc = &iwpbl->pble_alloc;
-	iwmr->page_cnt = max_num_sg;
-	mutex_lock(&iwdev->pbl_mutex);
-	status = i40iw_get_pble(&iwdev->sc_dev, iwdev->pble_rsrc, palloc, iwmr->page_cnt);
-	mutex_unlock(&iwdev->pbl_mutex);
-	if (status)
-		goto err1;
-
-	if (palloc->level != I40IW_LEVEL_1)
-		goto err2;
-	err_code = i40iw_hw_alloc_stag(iwdev, iwmr);
-	if (err_code)
-		goto err2;
-	iwpbl->pbl_allocated = true;
-	i40iw_add_pdusecount(iwpd);
-	return &iwmr->ibmr;
-err2:
-	i40iw_free_pble(iwdev->pble_rsrc, palloc);
-err1:
-	i40iw_free_stag(iwdev, stag);
-err:
-	kfree(iwmr);
-	return ERR_PTR(err_code);
-}
-
-/**
- * i40iw_set_page - populate pbl list for fmr
- * @ibmr: ib mem to access iwarp mr pointer
- * @addr: page dma address fro pbl list
- */
-static int i40iw_set_page(struct ib_mr *ibmr, u64 addr)
-{
-	struct i40iw_mr *iwmr = to_iwmr(ibmr);
-	struct i40iw_pbl *iwpbl = &iwmr->iwpbl;
-	struct i40iw_pble_alloc *palloc = &iwpbl->pble_alloc;
-	u64 *pbl;
-
-	if (unlikely(iwmr->npages == iwmr->page_cnt))
-		return -ENOMEM;
-
-	pbl = (u64 *)palloc->level1.addr;
-	pbl[iwmr->npages++] = cpu_to_le64(addr);
-	return 0;
-}
-
-/**
- * i40iw_map_mr_sg - map of sg list for fmr
- * @ibmr: ib mem to access iwarp mr pointer
- * @sg: scatter gather list for fmr
- * @sg_nents: number of sg pages
- * @sg_offset: scatter gather offset
- */
-static int i40iw_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg,
-			   int sg_nents, unsigned int *sg_offset)
-{
-	struct i40iw_mr *iwmr = to_iwmr(ibmr);
-
-	iwmr->npages = 0;
-	return ib_sg_to_pages(ibmr, sg, sg_nents, sg_offset, i40iw_set_page);
-}
-
-/**
- * i40iw_drain_sq - drain the send queue
- * @ibqp: ib qp pointer
- */
-static void i40iw_drain_sq(struct ib_qp *ibqp)
-{
-	struct i40iw_qp *iwqp = to_iwqp(ibqp);
-	struct i40iw_sc_qp *qp = &iwqp->sc_qp;
-
-	if (I40IW_RING_MORE_WORK(qp->qp_uk.sq_ring))
-		wait_for_completion(&iwqp->sq_drained);
-}
-
-/**
- * i40iw_drain_rq - drain the receive queue
- * @ibqp: ib qp pointer
- */
-static void i40iw_drain_rq(struct ib_qp *ibqp)
-{
-	struct i40iw_qp *iwqp = to_iwqp(ibqp);
-	struct i40iw_sc_qp *qp = &iwqp->sc_qp;
-
-	if (I40IW_RING_MORE_WORK(qp->qp_uk.rq_ring))
-		wait_for_completion(&iwqp->rq_drained);
-}
-
-/**
- * i40iw_hwreg_mr - send cqp command for memory registration
- * @iwdev: iwarp device
- * @iwmr: iwarp mr pointer
- * @access: access for MR
- */
-static int i40iw_hwreg_mr(struct i40iw_device *iwdev,
-			  struct i40iw_mr *iwmr,
-			  u16 access)
-{
-	struct i40iw_pbl *iwpbl = &iwmr->iwpbl;
-	struct i40iw_reg_ns_stag_info *stag_info;
-	struct i40iw_pd *iwpd = to_iwpd(iwmr->ibmr.pd);
-	struct i40iw_pble_alloc *palloc = &iwpbl->pble_alloc;
-	enum i40iw_status_code status;
-	int err = 0;
-	struct i40iw_cqp_request *cqp_request;
-	struct cqp_commands_info *cqp_info;
-
-	cqp_request = i40iw_get_cqp_request(&iwdev->cqp, true);
-	if (!cqp_request)
-		return -ENOMEM;
-
-	cqp_info = &cqp_request->info;
-	stag_info = &cqp_info->in.u.mr_reg_non_shared.info;
-	memset(stag_info, 0, sizeof(*stag_info));
-	stag_info->va = (void *)(unsigned long)iwpbl->user_base;
-	stag_info->stag_idx = iwmr->stag >> I40IW_CQPSQ_STAG_IDX_SHIFT;
-	stag_info->stag_key = (u8)iwmr->stag;
-	stag_info->total_len = iwmr->length;
-	stag_info->access_rights = access;
-	stag_info->pd_id = iwpd->sc_pd.pd_id;
-	stag_info->addr_type = I40IW_ADDR_TYPE_VA_BASED;
-	stag_info->page_size = iwmr->page_size;
-
-	if (iwpbl->pbl_allocated) {
-		if (palloc->level == I40IW_LEVEL_1) {
-			stag_info->first_pm_pbl_index = palloc->level1.idx;
-			stag_info->chunk_size = 1;
-		} else {
-			stag_info->first_pm_pbl_index = palloc->level2.root.idx;
-			stag_info->chunk_size = 3;
-		}
-	} else {
-		stag_info->reg_addr_pa = iwmr->pgaddrmem[0];
-	}
-
-	cqp_info->cqp_cmd = OP_MR_REG_NON_SHARED;
-	cqp_info->post_sq = 1;
-	cqp_info->in.u.mr_reg_non_shared.dev = &iwdev->sc_dev;
-	cqp_info->in.u.mr_reg_non_shared.scratch = (uintptr_t)cqp_request;
-
-	status = i40iw_handle_cqp_op(iwdev, cqp_request);
-	if (status) {
-		err = -ENOMEM;
-		i40iw_pr_err("CQP-OP MR Reg fail");
-	}
-	return err;
-}
-
-/**
- * i40iw_reg_user_mr - Register a user memory region
- * @pd: ptr of pd
- * @start: virtual start address
- * @length: length of mr
- * @virt: virtual address
- * @acc: access of mr
- * @udata: user data
- */
-static struct ib_mr *i40iw_reg_user_mr(struct ib_pd *pd,
-				       u64 start,
-				       u64 length,
-				       u64 virt,
-				       int acc,
-				       struct ib_udata *udata)
-{
-	struct i40iw_pd *iwpd = to_iwpd(pd);
-	struct i40iw_device *iwdev = to_iwdev(pd->device);
-	struct i40iw_ucontext *ucontext = rdma_udata_to_drv_context(
-		udata, struct i40iw_ucontext, ibucontext);
-	struct i40iw_pble_alloc *palloc;
-	struct i40iw_pbl *iwpbl;
-	struct i40iw_mr *iwmr;
-	struct ib_umem *region;
-	struct i40iw_mem_reg_req req;
-	u32 stag = 0;
-	u16 access;
-	bool use_pbles = false;
-	unsigned long flags;
-	int err = -ENOSYS;
-	int ret;
-
-	if (!udata)
-		return ERR_PTR(-EOPNOTSUPP);
-
-	if (iwdev->closing)
-		return ERR_PTR(-ENODEV);
-
-	if (length > I40IW_MAX_MR_SIZE)
-		return ERR_PTR(-EINVAL);
-	region = ib_umem_get(pd->device, start, length, acc);
-	if (IS_ERR(region))
-		return (struct ib_mr *)region;
-
-	if (ib_copy_from_udata(&req, udata, sizeof(req))) {
-		ib_umem_release(region);
-		return ERR_PTR(-EFAULT);
-	}
-
-	iwmr = kzalloc(sizeof(*iwmr), GFP_KERNEL);
-	if (!iwmr) {
-		ib_umem_release(region);
-		return ERR_PTR(-ENOMEM);
-	}
-
-	iwpbl = &iwmr->iwpbl;
-	iwpbl->iwmr = iwmr;
-	iwmr->region = region;
-	iwmr->ibmr.pd = pd;
-	iwmr->ibmr.device = pd->device;
-
-	iwmr->page_size = PAGE_SIZE;
-	if (req.reg_type == IW_MEMREG_TYPE_MEM)
-		iwmr->page_size = ib_umem_find_best_pgsz(region, SZ_4K | SZ_2M,
-							 virt);
-	iwmr->length = region->length;
-
-	iwpbl->user_base = virt;
-	palloc = &iwpbl->pble_alloc;
-
-	iwmr->type = req.reg_type;
-	iwmr->page_cnt = ib_umem_num_dma_blocks(region, iwmr->page_size);
-
-	switch (req.reg_type) {
-	case IW_MEMREG_TYPE_QP:
-		use_pbles = ((req.sq_pages + req.rq_pages) > 2);
-		err = i40iw_handle_q_mem(iwdev, &req, iwpbl, use_pbles);
-		if (err)
-			goto error;
-		spin_lock_irqsave(&ucontext->qp_reg_mem_list_lock, flags);
-		list_add_tail(&iwpbl->list, &ucontext->qp_reg_mem_list);
-		iwpbl->on_list = true;
-		spin_unlock_irqrestore(&ucontext->qp_reg_mem_list_lock, flags);
-		break;
-	case IW_MEMREG_TYPE_CQ:
-		use_pbles = (req.cq_pages > 1);
-		err = i40iw_handle_q_mem(iwdev, &req, iwpbl, use_pbles);
-		if (err)
-			goto error;
-
-		spin_lock_irqsave(&ucontext->cq_reg_mem_list_lock, flags);
-		list_add_tail(&iwpbl->list, &ucontext->cq_reg_mem_list);
-		iwpbl->on_list = true;
-		spin_unlock_irqrestore(&ucontext->cq_reg_mem_list_lock, flags);
-		break;
-	case IW_MEMREG_TYPE_MEM:
-		use_pbles = (iwmr->page_cnt != 1);
-		access = I40IW_ACCESS_FLAGS_LOCALREAD;
-
-		err = i40iw_setup_pbles(iwdev, iwmr, use_pbles);
-		if (err)
-			goto error;
-
-		if (use_pbles) {
-			ret = i40iw_check_mr_contiguous(palloc, iwmr->page_size);
-			if (ret) {
-				i40iw_free_pble(iwdev->pble_rsrc, palloc);
-				iwpbl->pbl_allocated = false;
-			}
-		}
-
-		access |= i40iw_get_user_access(acc);
-		stag = i40iw_create_stag(iwdev);
-		if (!stag) {
-			err = -ENOMEM;
-			goto error;
-		}
-
-		iwmr->stag = stag;
-		iwmr->ibmr.rkey = stag;
-		iwmr->ibmr.lkey = stag;
-
-		err = i40iw_hwreg_mr(iwdev, iwmr, access);
-		if (err) {
-			i40iw_free_stag(iwdev, stag);
-			goto error;
-		}
-
-		break;
-	default:
-		goto error;
-	}
-
-	iwmr->type = req.reg_type;
-	if (req.reg_type == IW_MEMREG_TYPE_MEM)
-		i40iw_add_pdusecount(iwpd);
-	return &iwmr->ibmr;
-
-error:
-	if (palloc->level != I40IW_LEVEL_0 && iwpbl->pbl_allocated)
-		i40iw_free_pble(iwdev->pble_rsrc, palloc);
-	ib_umem_release(region);
-	kfree(iwmr);
-	return ERR_PTR(err);
-}
-
-/**
- * i40iw_reg_phys_mr - register kernel physical memory
- * @pd: ibpd pointer
- * @addr: physical address of memory to register
- * @size: size of memory to register
- * @acc: Access rights
- * @iova_start: start of virtual address for physical buffers
- */
-struct ib_mr *i40iw_reg_phys_mr(struct ib_pd *pd,
-				u64 addr,
-				u64 size,
-				int acc,
-				u64 *iova_start)
-{
-	struct i40iw_pd *iwpd = to_iwpd(pd);
-	struct i40iw_device *iwdev = to_iwdev(pd->device);
-	struct i40iw_pbl *iwpbl;
-	struct i40iw_mr *iwmr;
-	enum i40iw_status_code status;
-	u32 stag;
-	u16 access = I40IW_ACCESS_FLAGS_LOCALREAD;
-	int ret;
-
-	iwmr = kzalloc(sizeof(*iwmr), GFP_KERNEL);
-	if (!iwmr)
-		return ERR_PTR(-ENOMEM);
-	iwmr->ibmr.pd = pd;
-	iwmr->ibmr.device = pd->device;
-	iwpbl = &iwmr->iwpbl;
-	iwpbl->iwmr = iwmr;
-	iwmr->type = IW_MEMREG_TYPE_MEM;
-	iwpbl->user_base = *iova_start;
-	stag = i40iw_create_stag(iwdev);
-	if (!stag) {
-		ret = -EOVERFLOW;
-		goto err;
-	}
-	access |= i40iw_get_user_access(acc);
-	iwmr->stag = stag;
-	iwmr->ibmr.rkey = stag;
-	iwmr->ibmr.lkey = stag;
-	iwmr->page_cnt = 1;
-	iwmr->pgaddrmem[0]  = addr;
-	iwmr->length = size;
-	status = i40iw_hwreg_mr(iwdev, iwmr, access);
-	if (status) {
-		i40iw_free_stag(iwdev, stag);
-		ret = -ENOMEM;
-		goto err;
-	}
-
-	i40iw_add_pdusecount(iwpd);
-	return &iwmr->ibmr;
- err:
-	kfree(iwmr);
-	return ERR_PTR(ret);
-}
-
-/**
- * i40iw_get_dma_mr - register physical mem
- * @pd: ptr of pd
- * @acc: access for memory
- */
-static struct ib_mr *i40iw_get_dma_mr(struct ib_pd *pd, int acc)
-{
-	u64 kva = 0;
-
-	return i40iw_reg_phys_mr(pd, 0, 0, acc, &kva);
-}
-
-/**
- * i40iw_del_memlist - Deleting pbl list entries for CQ/QP
- * @iwmr: iwmr for IB's user page addresses
- * @ucontext: ptr to user context
- */
-static void i40iw_del_memlist(struct i40iw_mr *iwmr,
-			      struct i40iw_ucontext *ucontext)
-{
-	struct i40iw_pbl *iwpbl = &iwmr->iwpbl;
-	unsigned long flags;
-
-	switch (iwmr->type) {
-	case IW_MEMREG_TYPE_CQ:
-		spin_lock_irqsave(&ucontext->cq_reg_mem_list_lock, flags);
-		if (iwpbl->on_list) {
-			iwpbl->on_list = false;
-			list_del(&iwpbl->list);
-		}
-		spin_unlock_irqrestore(&ucontext->cq_reg_mem_list_lock, flags);
-		break;
-	case IW_MEMREG_TYPE_QP:
-		spin_lock_irqsave(&ucontext->qp_reg_mem_list_lock, flags);
-		if (iwpbl->on_list) {
-			iwpbl->on_list = false;
-			list_del(&iwpbl->list);
-		}
-		spin_unlock_irqrestore(&ucontext->qp_reg_mem_list_lock, flags);
-		break;
-	default:
-		break;
-	}
-}
-
-/**
- * i40iw_dereg_mr - deregister mr
- * @ib_mr: mr ptr for dereg
- * @udata: user data
- */
-static int i40iw_dereg_mr(struct ib_mr *ib_mr, struct ib_udata *udata)
-{
-	struct ib_pd *ibpd = ib_mr->pd;
-	struct i40iw_pd *iwpd = to_iwpd(ibpd);
-	struct i40iw_mr *iwmr = to_iwmr(ib_mr);
-	struct i40iw_device *iwdev = to_iwdev(ib_mr->device);
-	enum i40iw_status_code status;
-	struct i40iw_dealloc_stag_info *info;
-	struct i40iw_pbl *iwpbl = &iwmr->iwpbl;
-	struct i40iw_pble_alloc *palloc = &iwpbl->pble_alloc;
-	struct i40iw_cqp_request *cqp_request;
-	struct cqp_commands_info *cqp_info;
-	u32 stag_idx;
-
-	ib_umem_release(iwmr->region);
-
-	if (iwmr->type != IW_MEMREG_TYPE_MEM) {
-		/* region is released. only test for userness. */
-		if (iwmr->region) {
-			struct i40iw_ucontext *ucontext =
-				rdma_udata_to_drv_context(
-					udata,
-					struct i40iw_ucontext,
-					ibucontext);
-
-			i40iw_del_memlist(iwmr, ucontext);
-		}
-		if (iwpbl->pbl_allocated && iwmr->type != IW_MEMREG_TYPE_QP)
-			i40iw_free_pble(iwdev->pble_rsrc, palloc);
-		kfree(iwmr);
-		return 0;
-	}
-
-	cqp_request = i40iw_get_cqp_request(&iwdev->cqp, true);
-	if (!cqp_request)
-		return -ENOMEM;
-
-	cqp_info = &cqp_request->info;
-	info = &cqp_info->in.u.dealloc_stag.info;
-	memset(info, 0, sizeof(*info));
-
-	info->pd_id = cpu_to_le32(iwpd->sc_pd.pd_id & 0x00007fff);
-	info->stag_idx = RS_64_1(ib_mr->rkey, I40IW_CQPSQ_STAG_IDX_SHIFT);
-	stag_idx = info->stag_idx;
-	info->mr = true;
-	if (iwpbl->pbl_allocated)
-		info->dealloc_pbl = true;
-
-	cqp_info->cqp_cmd = OP_DEALLOC_STAG;
-	cqp_info->post_sq = 1;
-	cqp_info->in.u.dealloc_stag.dev = &iwdev->sc_dev;
-	cqp_info->in.u.dealloc_stag.scratch = (uintptr_t)cqp_request;
-	status = i40iw_handle_cqp_op(iwdev, cqp_request);
-	if (status)
-		i40iw_pr_err("CQP-OP dealloc failed for stag_idx = 0x%x\n", stag_idx);
-	i40iw_rem_pdusecount(iwpd, iwdev);
-	i40iw_free_stag(iwdev, iwmr->stag);
-	if (iwpbl->pbl_allocated)
-		i40iw_free_pble(iwdev->pble_rsrc, palloc);
-	kfree(iwmr);
-	return 0;
-}
-
-/*
- * hw_rev_show
- */
-static ssize_t hw_rev_show(struct device *dev,
-			   struct device_attribute *attr, char *buf)
-{
-	struct i40iw_ib_device *iwibdev =
-		rdma_device_to_drv_device(dev, struct i40iw_ib_device, ibdev);
-	u32 hw_rev = iwibdev->iwdev->sc_dev.hw_rev;
-
-	return sysfs_emit(buf, "%x\n", hw_rev);
-}
-static DEVICE_ATTR_RO(hw_rev);
-
-/*
- * hca_type_show
- */
-static ssize_t hca_type_show(struct device *dev,
-			     struct device_attribute *attr, char *buf)
-{
-	return sysfs_emit(buf, "I40IW\n");
-}
-static DEVICE_ATTR_RO(hca_type);
-
-/*
- * board_id_show
- */
-static ssize_t board_id_show(struct device *dev,
-			     struct device_attribute *attr, char *buf)
-{
-	return sysfs_emit(buf, "%.*s\n", 32, "I40IW Board ID");
-}
-static DEVICE_ATTR_RO(board_id);
-
-static struct attribute *i40iw_dev_attributes[] = {
-	&dev_attr_hw_rev.attr,
-	&dev_attr_hca_type.attr,
-	&dev_attr_board_id.attr,
-	NULL
-};
-
-static const struct attribute_group i40iw_attr_group = {
-	.attrs = i40iw_dev_attributes,
-};
-
-/**
- * i40iw_copy_sg_list - copy sg list for qp
- * @sg_list: copied into sg_list
- * @sgl: copy from sgl
- * @num_sges: count of sg entries
- */
-static void i40iw_copy_sg_list(struct i40iw_sge *sg_list, struct ib_sge *sgl, int num_sges)
-{
-	unsigned int i;
-
-	for (i = 0; (i < num_sges) && (i < I40IW_MAX_WQ_FRAGMENT_COUNT); i++) {
-		sg_list[i].tag_off = sgl[i].addr;
-		sg_list[i].len = sgl[i].length;
-		sg_list[i].stag = sgl[i].lkey;
-	}
-}
-
-/**
- * i40iw_post_send -  kernel application wr
- * @ibqp: qp ptr for wr
- * @ib_wr: work request ptr
- * @bad_wr: return of bad wr if err
- */
-static int i40iw_post_send(struct ib_qp *ibqp,
-			   const struct ib_send_wr *ib_wr,
-			   const struct ib_send_wr **bad_wr)
-{
-	struct i40iw_qp *iwqp;
-	struct i40iw_qp_uk *ukqp;
-	struct i40iw_post_sq_info info;
-	enum i40iw_status_code ret;
-	int err = 0;
-	unsigned long flags;
-	bool inv_stag;
-
-	iwqp = (struct i40iw_qp *)ibqp;
-	ukqp = &iwqp->sc_qp.qp_uk;
-
-	spin_lock_irqsave(&iwqp->lock, flags);
-
-	if (iwqp->flush_issued) {
-		err = -EINVAL;
-		goto out;
-	}
-
-	while (ib_wr) {
-		inv_stag = false;
-		memset(&info, 0, sizeof(info));
-		info.wr_id = (u64)(ib_wr->wr_id);
-		if ((ib_wr->send_flags & IB_SEND_SIGNALED) || iwqp->sig_all)
-			info.signaled = true;
-		if (ib_wr->send_flags & IB_SEND_FENCE)
-			info.read_fence = true;
-
-		switch (ib_wr->opcode) {
-		case IB_WR_SEND:
-		case IB_WR_SEND_WITH_INV:
-			if (ib_wr->opcode == IB_WR_SEND) {
-				if (ib_wr->send_flags & IB_SEND_SOLICITED)
-					info.op_type = I40IW_OP_TYPE_SEND_SOL;
-				else
-					info.op_type = I40IW_OP_TYPE_SEND;
-			} else {
-				if (ib_wr->send_flags & IB_SEND_SOLICITED)
-					info.op_type = I40IW_OP_TYPE_SEND_SOL_INV;
-				else
-					info.op_type = I40IW_OP_TYPE_SEND_INV;
-			}
-
-			if (ib_wr->send_flags & IB_SEND_INLINE) {
-				info.op.inline_send.data = (void *)(unsigned long)ib_wr->sg_list[0].addr;
-				info.op.inline_send.len = ib_wr->sg_list[0].length;
-				ret = ukqp->ops.iw_inline_send(ukqp, &info, ib_wr->ex.invalidate_rkey, false);
-			} else {
-				info.op.send.num_sges = ib_wr->num_sge;
-				info.op.send.sg_list = (struct i40iw_sge *)ib_wr->sg_list;
-				ret = ukqp->ops.iw_send(ukqp, &info, ib_wr->ex.invalidate_rkey, false);
-			}
-
-			if (ret) {
-				if (ret == I40IW_ERR_QP_TOOMANY_WRS_POSTED)
-					err = -ENOMEM;
-				else
-					err = -EINVAL;
-			}
-			break;
-		case IB_WR_RDMA_WRITE:
-			info.op_type = I40IW_OP_TYPE_RDMA_WRITE;
-
-			if (ib_wr->send_flags & IB_SEND_INLINE) {
-				info.op.inline_rdma_write.data = (void *)(unsigned long)ib_wr->sg_list[0].addr;
-				info.op.inline_rdma_write.len = ib_wr->sg_list[0].length;
-				info.op.inline_rdma_write.rem_addr.tag_off = rdma_wr(ib_wr)->remote_addr;
-				info.op.inline_rdma_write.rem_addr.stag = rdma_wr(ib_wr)->rkey;
-				ret = ukqp->ops.iw_inline_rdma_write(ukqp, &info, false);
-			} else {
-				info.op.rdma_write.lo_sg_list = (void *)ib_wr->sg_list;
-				info.op.rdma_write.num_lo_sges = ib_wr->num_sge;
-				info.op.rdma_write.rem_addr.tag_off = rdma_wr(ib_wr)->remote_addr;
-				info.op.rdma_write.rem_addr.stag = rdma_wr(ib_wr)->rkey;
-				ret = ukqp->ops.iw_rdma_write(ukqp, &info, false);
-			}
-
-			if (ret) {
-				if (ret == I40IW_ERR_QP_TOOMANY_WRS_POSTED)
-					err = -ENOMEM;
-				else
-					err = -EINVAL;
-			}
-			break;
-		case IB_WR_RDMA_READ_WITH_INV:
-			inv_stag = true;
-			fallthrough;
-		case IB_WR_RDMA_READ:
-			if (ib_wr->num_sge > I40IW_MAX_SGE_RD) {
-				err = -EINVAL;
-				break;
-			}
-			info.op_type = I40IW_OP_TYPE_RDMA_READ;
-			info.op.rdma_read.rem_addr.tag_off = rdma_wr(ib_wr)->remote_addr;
-			info.op.rdma_read.rem_addr.stag = rdma_wr(ib_wr)->rkey;
-			info.op.rdma_read.lo_addr.tag_off = ib_wr->sg_list->addr;
-			info.op.rdma_read.lo_addr.stag = ib_wr->sg_list->lkey;
-			info.op.rdma_read.lo_addr.len = ib_wr->sg_list->length;
-			ret = ukqp->ops.iw_rdma_read(ukqp, &info, inv_stag, false);
-			if (ret) {
-				if (ret == I40IW_ERR_QP_TOOMANY_WRS_POSTED)
-					err = -ENOMEM;
-				else
-					err = -EINVAL;
-			}
-			break;
-		case IB_WR_LOCAL_INV:
-			info.op_type = I40IW_OP_TYPE_INV_STAG;
-			info.op.inv_local_stag.target_stag = ib_wr->ex.invalidate_rkey;
-			ret = ukqp->ops.iw_stag_local_invalidate(ukqp, &info, true);
-			if (ret)
-				err = -ENOMEM;
-			break;
-		case IB_WR_REG_MR:
-		{
-			struct i40iw_mr *iwmr = to_iwmr(reg_wr(ib_wr)->mr);
-			int flags = reg_wr(ib_wr)->access;
-			struct i40iw_pble_alloc *palloc = &iwmr->iwpbl.pble_alloc;
-			struct i40iw_sc_dev *dev = &iwqp->iwdev->sc_dev;
-			struct i40iw_fast_reg_stag_info info;
-
-			memset(&info, 0, sizeof(info));
-			info.access_rights = I40IW_ACCESS_FLAGS_LOCALREAD;
-			info.access_rights |= i40iw_get_user_access(flags);
-			info.stag_key = reg_wr(ib_wr)->key & 0xff;
-			info.stag_idx = reg_wr(ib_wr)->key >> 8;
-			info.page_size = reg_wr(ib_wr)->mr->page_size;
-			info.wr_id = ib_wr->wr_id;
-
-			info.addr_type = I40IW_ADDR_TYPE_VA_BASED;
-			info.va = (void *)(uintptr_t)iwmr->ibmr.iova;
-			info.total_len = iwmr->ibmr.length;
-			info.reg_addr_pa = *(u64 *)palloc->level1.addr;
-			info.first_pm_pbl_index = palloc->level1.idx;
-			info.local_fence = ib_wr->send_flags & IB_SEND_FENCE;
-			info.signaled = ib_wr->send_flags & IB_SEND_SIGNALED;
-
-			if (iwmr->npages > I40IW_MIN_PAGES_PER_FMR)
-				info.chunk_size = 1;
-
-			ret = dev->iw_priv_qp_ops->iw_mr_fast_register(&iwqp->sc_qp, &info, true);
-			if (ret)
-				err = -ENOMEM;
-			break;
-		}
-		default:
-			err = -EINVAL;
-			i40iw_pr_err(" upost_send bad opcode = 0x%x\n",
-				     ib_wr->opcode);
-			break;
-		}
-
-		if (err)
-			break;
-		ib_wr = ib_wr->next;
-	}
-
-out:
-	if (err)
-		*bad_wr = ib_wr;
-	else
-		ukqp->ops.iw_qp_post_wr(ukqp);
-	spin_unlock_irqrestore(&iwqp->lock, flags);
-
-	return err;
-}
-
-/**
- * i40iw_post_recv - post receive wr for kernel application
- * @ibqp: ib qp pointer
- * @ib_wr: work request for receive
- * @bad_wr: bad wr caused an error
- */
-static int i40iw_post_recv(struct ib_qp *ibqp, const struct ib_recv_wr *ib_wr,
-			   const struct ib_recv_wr **bad_wr)
-{
-	struct i40iw_qp *iwqp;
-	struct i40iw_qp_uk *ukqp;
-	struct i40iw_post_rq_info post_recv;
-	struct i40iw_sge sg_list[I40IW_MAX_WQ_FRAGMENT_COUNT];
-	enum i40iw_status_code ret = 0;
-	unsigned long flags;
-	int err = 0;
-
-	iwqp = (struct i40iw_qp *)ibqp;
-	ukqp = &iwqp->sc_qp.qp_uk;
-
-	memset(&post_recv, 0, sizeof(post_recv));
-	spin_lock_irqsave(&iwqp->lock, flags);
-
-	if (iwqp->flush_issued) {
-		err = -EINVAL;
-		goto out;
-	}
-
-	while (ib_wr) {
-		post_recv.num_sges = ib_wr->num_sge;
-		post_recv.wr_id = ib_wr->wr_id;
-		i40iw_copy_sg_list(sg_list, ib_wr->sg_list, ib_wr->num_sge);
-		post_recv.sg_list = sg_list;
-		ret = ukqp->ops.iw_post_receive(ukqp, &post_recv);
-		if (ret) {
-			i40iw_pr_err(" post_recv err %d\n", ret);
-			if (ret == I40IW_ERR_QP_TOOMANY_WRS_POSTED)
-				err = -ENOMEM;
-			else
-				err = -EINVAL;
-			*bad_wr = ib_wr;
-			goto out;
-		}
-		ib_wr = ib_wr->next;
-	}
- out:
-	spin_unlock_irqrestore(&iwqp->lock, flags);
-	return err;
-}
-
-/**
- * i40iw_poll_cq - poll cq for completion (kernel apps)
- * @ibcq: cq to poll
- * @num_entries: number of entries to poll
- * @entry: wr of entry completed
- */
-static int i40iw_poll_cq(struct ib_cq *ibcq,
-			 int num_entries,
-			 struct ib_wc *entry)
-{
-	struct i40iw_cq *iwcq;
-	int cqe_count = 0;
-	struct i40iw_cq_poll_info cq_poll_info;
-	enum i40iw_status_code ret;
-	struct i40iw_cq_uk *ukcq;
-	struct i40iw_sc_qp *qp;
-	struct i40iw_qp *iwqp;
-	unsigned long flags;
-
-	iwcq = (struct i40iw_cq *)ibcq;
-	ukcq = &iwcq->sc_cq.cq_uk;
-
-	spin_lock_irqsave(&iwcq->lock, flags);
-	while (cqe_count < num_entries) {
-		ret = ukcq->ops.iw_cq_poll_completion(ukcq, &cq_poll_info);
-		if (ret == I40IW_ERR_QUEUE_EMPTY) {
-			break;
-		} else if (ret == I40IW_ERR_QUEUE_DESTROYED) {
-			continue;
-		} else if (ret) {
-			if (!cqe_count)
-				cqe_count = -1;
-			break;
-		}
-		entry->wc_flags = 0;
-		entry->wr_id = cq_poll_info.wr_id;
-		if (cq_poll_info.error) {
-			entry->status = IB_WC_WR_FLUSH_ERR;
-			entry->vendor_err = cq_poll_info.major_err << 16 | cq_poll_info.minor_err;
-		} else {
-			entry->status = IB_WC_SUCCESS;
-		}
-
-		switch (cq_poll_info.op_type) {
-		case I40IW_OP_TYPE_RDMA_WRITE:
-			entry->opcode = IB_WC_RDMA_WRITE;
-			break;
-		case I40IW_OP_TYPE_RDMA_READ_INV_STAG:
-		case I40IW_OP_TYPE_RDMA_READ:
-			entry->opcode = IB_WC_RDMA_READ;
-			break;
-		case I40IW_OP_TYPE_SEND_SOL:
-		case I40IW_OP_TYPE_SEND_SOL_INV:
-		case I40IW_OP_TYPE_SEND_INV:
-		case I40IW_OP_TYPE_SEND:
-			entry->opcode = IB_WC_SEND;
-			break;
-		case I40IW_OP_TYPE_REC:
-			entry->opcode = IB_WC_RECV;
-			break;
-		default:
-			entry->opcode = IB_WC_RECV;
-			break;
-		}
-
-		entry->ex.imm_data = 0;
-		qp = (struct i40iw_sc_qp *)cq_poll_info.qp_handle;
-		entry->qp = (struct ib_qp *)qp->back_qp;
-		entry->src_qp = cq_poll_info.qp_id;
-		iwqp = (struct i40iw_qp *)qp->back_qp;
-		if (iwqp->iwarp_state > I40IW_QP_STATE_RTS) {
-			if (!I40IW_RING_MORE_WORK(qp->qp_uk.sq_ring))
-				complete(&iwqp->sq_drained);
-			if (!I40IW_RING_MORE_WORK(qp->qp_uk.rq_ring))
-				complete(&iwqp->rq_drained);
-		}
-		entry->byte_len = cq_poll_info.bytes_xfered;
-		entry++;
-		cqe_count++;
-	}
-	spin_unlock_irqrestore(&iwcq->lock, flags);
-	return cqe_count;
-}
-
-/**
- * i40iw_req_notify_cq - arm cq kernel application
- * @ibcq: cq to arm
- * @notify_flags: notofication flags
- */
-static int i40iw_req_notify_cq(struct ib_cq *ibcq,
-			       enum ib_cq_notify_flags notify_flags)
-{
-	struct i40iw_cq *iwcq;
-	struct i40iw_cq_uk *ukcq;
-	unsigned long flags;
-	enum i40iw_completion_notify cq_notify = IW_CQ_COMPL_EVENT;
-
-	iwcq = (struct i40iw_cq *)ibcq;
-	ukcq = &iwcq->sc_cq.cq_uk;
-	if (notify_flags == IB_CQ_SOLICITED)
-		cq_notify = IW_CQ_COMPL_SOLICITED;
-	spin_lock_irqsave(&iwcq->lock, flags);
-	ukcq->ops.iw_cq_request_notification(ukcq, cq_notify);
-	spin_unlock_irqrestore(&iwcq->lock, flags);
-	return 0;
-}
-
-/**
- * i40iw_port_immutable - return port's immutable data
- * @ibdev: ib dev struct
- * @port_num: port number
- * @immutable: immutable data for the port return
- */
-static int i40iw_port_immutable(struct ib_device *ibdev, u32 port_num,
-				struct ib_port_immutable *immutable)
-{
-	struct ib_port_attr attr;
-	int err;
-
-	immutable->core_cap_flags = RDMA_CORE_PORT_IWARP;
-
-	err = ib_query_port(ibdev, port_num, &attr);
-
-	if (err)
-		return err;
-
-	immutable->gid_tbl_len = attr.gid_tbl_len;
-
-	return 0;
-}
-
-static const char * const i40iw_hw_stat_names[] = {
-	// 32bit names
-	[I40IW_HW_STAT_INDEX_IP4RXDISCARD] = "ip4InDiscards",
-	[I40IW_HW_STAT_INDEX_IP4RXTRUNC] = "ip4InTruncatedPkts",
-	[I40IW_HW_STAT_INDEX_IP4TXNOROUTE] = "ip4OutNoRoutes",
-	[I40IW_HW_STAT_INDEX_IP6RXDISCARD] = "ip6InDiscards",
-	[I40IW_HW_STAT_INDEX_IP6RXTRUNC] = "ip6InTruncatedPkts",
-	[I40IW_HW_STAT_INDEX_IP6TXNOROUTE] = "ip6OutNoRoutes",
-	[I40IW_HW_STAT_INDEX_TCPRTXSEG] = "tcpRetransSegs",
-	[I40IW_HW_STAT_INDEX_TCPRXOPTERR] = "tcpInOptErrors",
-	[I40IW_HW_STAT_INDEX_TCPRXPROTOERR] = "tcpInProtoErrors",
-	// 64bit names
-	[I40IW_HW_STAT_INDEX_IP4RXOCTS + I40IW_HW_STAT_INDEX_MAX_32] =
-		"ip4InOctets",
-	[I40IW_HW_STAT_INDEX_IP4RXPKTS + I40IW_HW_STAT_INDEX_MAX_32] =
-		"ip4InPkts",
-	[I40IW_HW_STAT_INDEX_IP4RXFRAGS + I40IW_HW_STAT_INDEX_MAX_32] =
-		"ip4InReasmRqd",
-	[I40IW_HW_STAT_INDEX_IP4RXMCPKTS + I40IW_HW_STAT_INDEX_MAX_32] =
-		"ip4InMcastPkts",
-	[I40IW_HW_STAT_INDEX_IP4TXOCTS + I40IW_HW_STAT_INDEX_MAX_32] =
-		"ip4OutOctets",
-	[I40IW_HW_STAT_INDEX_IP4TXPKTS + I40IW_HW_STAT_INDEX_MAX_32] =
-		"ip4OutPkts",
-	[I40IW_HW_STAT_INDEX_IP4TXFRAGS + I40IW_HW_STAT_INDEX_MAX_32] =
-		"ip4OutSegRqd",
-	[I40IW_HW_STAT_INDEX_IP4TXMCPKTS + I40IW_HW_STAT_INDEX_MAX_32] =
-		"ip4OutMcastPkts",
-	[I40IW_HW_STAT_INDEX_IP6RXOCTS + I40IW_HW_STAT_INDEX_MAX_32] =
-		"ip6InOctets",
-	[I40IW_HW_STAT_INDEX_IP6RXPKTS + I40IW_HW_STAT_INDEX_MAX_32] =
-		"ip6InPkts",
-	[I40IW_HW_STAT_INDEX_IP6RXFRAGS + I40IW_HW_STAT_INDEX_MAX_32] =
-		"ip6InReasmRqd",
-	[I40IW_HW_STAT_INDEX_IP6RXMCPKTS + I40IW_HW_STAT_INDEX_MAX_32] =
-		"ip6InMcastPkts",
-	[I40IW_HW_STAT_INDEX_IP6TXOCTS + I40IW_HW_STAT_INDEX_MAX_32] =
-		"ip6OutOctets",
-	[I40IW_HW_STAT_INDEX_IP6TXPKTS + I40IW_HW_STAT_INDEX_MAX_32] =
-		"ip6OutPkts",
-	[I40IW_HW_STAT_INDEX_IP6TXFRAGS + I40IW_HW_STAT_INDEX_MAX_32] =
-		"ip6OutSegRqd",
-	[I40IW_HW_STAT_INDEX_IP6TXMCPKTS + I40IW_HW_STAT_INDEX_MAX_32] =
-		"ip6OutMcastPkts",
-	[I40IW_HW_STAT_INDEX_TCPRXSEGS + I40IW_HW_STAT_INDEX_MAX_32] =
-		"tcpInSegs",
-	[I40IW_HW_STAT_INDEX_TCPTXSEG + I40IW_HW_STAT_INDEX_MAX_32] =
-		"tcpOutSegs",
-	[I40IW_HW_STAT_INDEX_RDMARXRDS + I40IW_HW_STAT_INDEX_MAX_32] =
-		"iwInRdmaReads",
-	[I40IW_HW_STAT_INDEX_RDMARXSNDS + I40IW_HW_STAT_INDEX_MAX_32] =
-		"iwInRdmaSends",
-	[I40IW_HW_STAT_INDEX_RDMARXWRS + I40IW_HW_STAT_INDEX_MAX_32] =
-		"iwInRdmaWrites",
-	[I40IW_HW_STAT_INDEX_RDMATXRDS + I40IW_HW_STAT_INDEX_MAX_32] =
-		"iwOutRdmaReads",
-	[I40IW_HW_STAT_INDEX_RDMATXSNDS + I40IW_HW_STAT_INDEX_MAX_32] =
-		"iwOutRdmaSends",
-	[I40IW_HW_STAT_INDEX_RDMATXWRS + I40IW_HW_STAT_INDEX_MAX_32] =
-		"iwOutRdmaWrites",
-	[I40IW_HW_STAT_INDEX_RDMAVBND + I40IW_HW_STAT_INDEX_MAX_32] =
-		"iwRdmaBnd",
-	[I40IW_HW_STAT_INDEX_RDMAVINV + I40IW_HW_STAT_INDEX_MAX_32] =
-		"iwRdmaInv"
-};
-
-static void i40iw_get_dev_fw_str(struct ib_device *dev, char *str)
-{
-	struct i40iw_device *iwdev = to_iwdev(dev);
-
-	snprintf(str, IB_FW_VERSION_NAME_MAX, "%llu.%llu",
-		 i40iw_fw_major_ver(&iwdev->sc_dev),
-		 i40iw_fw_minor_ver(&iwdev->sc_dev));
-}
-
-/**
- * i40iw_alloc_hw_stats - Allocate a hw stats structure
- * @ibdev: device pointer from stack
- * @port_num: port number
- */
-static struct rdma_hw_stats *i40iw_alloc_hw_stats(struct ib_device *ibdev,
-						  u32 port_num)
-{
-	struct i40iw_device *iwdev = to_iwdev(ibdev);
-	struct i40iw_sc_dev *dev = &iwdev->sc_dev;
-	int num_counters = I40IW_HW_STAT_INDEX_MAX_32 +
-		I40IW_HW_STAT_INDEX_MAX_64;
-	unsigned long lifespan = RDMA_HW_STATS_DEFAULT_LIFESPAN;
-
-	BUILD_BUG_ON(ARRAY_SIZE(i40iw_hw_stat_names) !=
-		     (I40IW_HW_STAT_INDEX_MAX_32 +
-		      I40IW_HW_STAT_INDEX_MAX_64));
-
-	/*
-	 * PFs get the default update lifespan, but VFs only update once
-	 * per second
-	 */
-	if (!dev->is_pf)
-		lifespan = 1000;
-	return rdma_alloc_hw_stats_struct(i40iw_hw_stat_names, num_counters,
-					  lifespan);
-}
-
-/**
- * i40iw_get_hw_stats - Populates the rdma_hw_stats structure
- * @ibdev: device pointer from stack
- * @stats: stats pointer from stack
- * @port_num: port number
- * @index: which hw counter the stack is requesting we update
- */
-static int i40iw_get_hw_stats(struct ib_device *ibdev,
-			      struct rdma_hw_stats *stats,
-			      u32 port_num, int index)
-{
-	struct i40iw_device *iwdev = to_iwdev(ibdev);
-	struct i40iw_sc_dev *dev = &iwdev->sc_dev;
-	struct i40iw_vsi_pestat *devstat = iwdev->vsi.pestat;
-	struct i40iw_dev_hw_stats *hw_stats = &devstat->hw_stats;
-
-	if (dev->is_pf) {
-		i40iw_hw_stats_read_all(devstat, &devstat->hw_stats);
-	} else {
-		if (i40iw_vchnl_vf_get_pe_stats(dev, &devstat->hw_stats))
-			return -ENOSYS;
-	}
-
-	memcpy(&stats->value[0], hw_stats, sizeof(*hw_stats));
-
-	return stats->num_counters;
-}
-
-/**
- * i40iw_query_gid - Query port GID
- * @ibdev: device pointer from stack
- * @port: port number
- * @index: Entry index
- * @gid: Global ID
- */
-static int i40iw_query_gid(struct ib_device *ibdev,
-			   u32 port,
-			   int index,
-			   union ib_gid *gid)
-{
-	struct i40iw_device *iwdev = to_iwdev(ibdev);
-
-	memset(gid->raw, 0, sizeof(gid->raw));
-	ether_addr_copy(gid->raw, iwdev->netdev->dev_addr);
-	return 0;
-}
-
-static const struct ib_device_ops i40iw_dev_ops = {
-	.owner = THIS_MODULE,
-	.driver_id = RDMA_DRIVER_I40IW,
-	/* NOTE: Older kernels wrongly use 0 for the uverbs_abi_ver */
-	.uverbs_abi_ver = I40IW_ABI_VER,
-
-	.alloc_hw_stats = i40iw_alloc_hw_stats,
-	.alloc_mr = i40iw_alloc_mr,
-	.alloc_pd = i40iw_alloc_pd,
-	.alloc_ucontext = i40iw_alloc_ucontext,
-	.create_cq = i40iw_create_cq,
-	.create_qp = i40iw_create_qp,
-	.dealloc_pd = i40iw_dealloc_pd,
-	.dealloc_ucontext = i40iw_dealloc_ucontext,
-	.dereg_mr = i40iw_dereg_mr,
-	.destroy_cq = i40iw_destroy_cq,
-	.destroy_qp = i40iw_destroy_qp,
-	.drain_rq = i40iw_drain_rq,
-	.drain_sq = i40iw_drain_sq,
-	.get_dev_fw_str = i40iw_get_dev_fw_str,
-	.get_dma_mr = i40iw_get_dma_mr,
-	.get_hw_stats = i40iw_get_hw_stats,
-	.get_port_immutable = i40iw_port_immutable,
-	.iw_accept = i40iw_accept,
-	.iw_add_ref = i40iw_qp_add_ref,
-	.iw_connect = i40iw_connect,
-	.iw_create_listen = i40iw_create_listen,
-	.iw_destroy_listen = i40iw_destroy_listen,
-	.iw_get_qp = i40iw_get_qp,
-	.iw_reject = i40iw_reject,
-	.iw_rem_ref = i40iw_qp_rem_ref,
-	.map_mr_sg = i40iw_map_mr_sg,
-	.mmap = i40iw_mmap,
-	.modify_qp = i40iw_modify_qp,
-	.poll_cq = i40iw_poll_cq,
-	.post_recv = i40iw_post_recv,
-	.post_send = i40iw_post_send,
-	.query_device = i40iw_query_device,
-	.query_gid = i40iw_query_gid,
-	.query_port = i40iw_query_port,
-	.query_qp = i40iw_query_qp,
-	.reg_user_mr = i40iw_reg_user_mr,
-	.req_notify_cq = i40iw_req_notify_cq,
-	INIT_RDMA_OBJ_SIZE(ib_pd, i40iw_pd, ibpd),
-	INIT_RDMA_OBJ_SIZE(ib_cq, i40iw_cq, ibcq),
-	INIT_RDMA_OBJ_SIZE(ib_ucontext, i40iw_ucontext, ibucontext),
-};
-
-/**
- * i40iw_init_rdma_device - initialization of iwarp device
- * @iwdev: iwarp device
- */
-static struct i40iw_ib_device *i40iw_init_rdma_device(struct i40iw_device *iwdev)
-{
-	struct i40iw_ib_device *iwibdev;
-	struct net_device *netdev = iwdev->netdev;
-	struct pci_dev *pcidev = iwdev->hw.pcidev;
-
-	iwibdev = ib_alloc_device(i40iw_ib_device, ibdev);
-	if (!iwibdev) {
-		i40iw_pr_err("iwdev == NULL\n");
-		return NULL;
-	}
-	iwdev->iwibdev = iwibdev;
-	iwibdev->iwdev = iwdev;
-
-	iwibdev->ibdev.node_type = RDMA_NODE_RNIC;
-	ether_addr_copy((u8 *)&iwibdev->ibdev.node_guid, netdev->dev_addr);
-
-	iwibdev->ibdev.phys_port_cnt = 1;
-	iwibdev->ibdev.num_comp_vectors = iwdev->ceqs_count;
-	iwibdev->ibdev.dev.parent = &pcidev->dev;
-	memcpy(iwibdev->ibdev.iw_ifname, netdev->name,
-	       sizeof(iwibdev->ibdev.iw_ifname));
-	ib_set_device_ops(&iwibdev->ibdev, &i40iw_dev_ops);
-
-	return iwibdev;
-}
-
-/**
- * i40iw_port_ibevent - indicate port event
- * @iwdev: iwarp device
- */
-void i40iw_port_ibevent(struct i40iw_device *iwdev)
-{
-	struct i40iw_ib_device *iwibdev = iwdev->iwibdev;
-	struct ib_event event;
-
-	event.device = &iwibdev->ibdev;
-	event.element.port_num = 1;
-	event.event = iwdev->iw_status ? IB_EVENT_PORT_ACTIVE : IB_EVENT_PORT_ERR;
-	ib_dispatch_event(&event);
-}
-
-/**
- * i40iw_destroy_rdma_device - destroy rdma device and free resources
- * @iwibdev: IB device ptr
- */
-void i40iw_destroy_rdma_device(struct i40iw_ib_device *iwibdev)
-{
-	ib_unregister_device(&iwibdev->ibdev);
-	wait_event_timeout(iwibdev->iwdev->close_wq,
-			   !atomic64_read(&iwibdev->iwdev->use_count),
-			   I40IW_EVENT_TIMEOUT);
-	ib_dealloc_device(&iwibdev->ibdev);
-}
-
-/**
- * i40iw_register_rdma_device - register iwarp device to IB
- * @iwdev: iwarp device
- */
-int i40iw_register_rdma_device(struct i40iw_device *iwdev)
-{
-	int ret;
-	struct i40iw_ib_device *iwibdev;
-
-	iwdev->iwibdev = i40iw_init_rdma_device(iwdev);
-	if (!iwdev->iwibdev)
-		return -ENOMEM;
-	iwibdev = iwdev->iwibdev;
-	rdma_set_device_sysfs_group(&iwibdev->ibdev, &i40iw_attr_group);
-	ret = ib_device_set_netdev(&iwibdev->ibdev, iwdev->netdev, 1);
-	if (ret)
-		goto error;
-
-	dma_set_max_seg_size(&iwdev->hw.pcidev->dev, UINT_MAX);
-	ret = ib_register_device(&iwibdev->ibdev, "i40iw%d", &iwdev->hw.pcidev->dev);
-	if (ret)
-		goto error;
-
-	return 0;
-error:
-	ib_dealloc_device(&iwdev->iwibdev->ibdev);
-	return ret;
-}