linux-imx

/*

 * Copyright (c) 2012-2016 VMware, Inc.  All rights reserved.

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of EITHER the GNU General Public License

 * version 2 as published by the Free Software Foundation or the BSD

 * 2-Clause License. This program is distributed in the hope that it

 * will be useful, but WITHOUT ANY WARRANTY; WITHOUT EVEN THE IMPLIED

 * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.

 * See the GNU General Public License version 2 for more details at

 * http://www.gnu.org/licenses/old-licenses/gpl-2.0.en.html.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program available in the file COPYING in the main

 * directory of this source tree.

 *

 * The BSD 2-Clause License

 *

 *     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.

 *

 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS

 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE

 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,

 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES

 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR

 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,

 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)

 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED

 * OF THE POSSIBILITY OF SUCH DAMAGE.

 */

​

#include <asm/page.h>

#include <linux/inet.h>

#include <linux/io.h>

#include <rdma/ib_addr.h>

#include <rdma/ib_smi.h>

#include <rdma/ib_user_verbs.h>

#include <rdma/vmw_pvrdma-abi.h>

​

#include "pvrdma.h"

​

/**

 * pvrdma_query_device - query device

 * @ibdev: the device to query

 * @props: the device properties

 * @uhw: user data

 *

 * @return: 0 on success, otherwise negative errno

 */

int pvrdma_query_device(struct ib_device *ibdev,

            struct ib_device_attr *props,

            struct ib_udata *uhw)

{

    struct pvrdma_dev *dev = to_vdev(ibdev);

​

    if (uhw->inlen || uhw->outlen)

        return -EINVAL;

​

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

​

    props->fw_ver = dev->dsr->caps.fw_ver;

    props->sys_image_guid = dev->dsr->caps.sys_image_guid;

    props->max_mr_size = dev->dsr->caps.max_mr_size;

    props->page_size_cap = dev->dsr->caps.page_size_cap;

    props->vendor_id = dev->dsr->caps.vendor_id;

    props->vendor_part_id = dev->pdev->device;

    props->hw_ver = dev->dsr->caps.hw_ver;

    props->max_qp = dev->dsr->caps.max_qp;

    props->max_qp_wr = dev->dsr->caps.max_qp_wr;

    props->device_cap_flags = dev->dsr->caps.device_cap_flags;

    props->max_send_sge = dev->dsr->caps.max_sge;

    props->max_recv_sge = dev->dsr->caps.max_sge;

    props->max_sge_rd = PVRDMA_GET_CAP(dev, dev->dsr->caps.max_sge,

                       dev->dsr->caps.max_sge_rd);

    props->max_srq = dev->dsr->caps.max_srq;

    props->max_srq_wr = dev->dsr->caps.max_srq_wr;

    props->max_srq_sge = dev->dsr->caps.max_srq_sge;

    props->max_cq = dev->dsr->caps.max_cq;