linux/drivers/infiniband/hw/hfi1/msix.h
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   1/* SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) */
   2/*
   3 * Copyright(c) 2018 - 2020 Intel Corporation.
   4 *
   5 * This file is provided under a dual BSD/GPLv2 license.  When using or
   6 * redistributing this file, you may do so under either license.
   7 *
   8 * GPL LICENSE SUMMARY
   9 *
  10 * This program is free software; you can redistribute it and/or modify
  11 * it under the terms of version 2 of the GNU General Public License as
  12 * published by the Free Software Foundation.
  13 *
  14 * This program is distributed in the hope that it will be useful, but
  15 * WITHOUT ANY WARRANTY; without even the implied warranty of
  16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17 * General Public License for more details.
  18 *
  19 * BSD LICENSE
  20 *
  21 * Redistribution and use in source and binary forms, with or without
  22 * modification, are permitted provided that the following conditions
  23 * are met:
  24 *
  25 *  - Redistributions of source code must retain the above copyright
  26 *    notice, this list of conditions and the following disclaimer.
  27 *  - Redistributions in binary form must reproduce the above copyright
  28 *    notice, this list of conditions and the following disclaimer in
  29 *    the documentation and/or other materials provided with the
  30 *    distribution.
  31 *  - Neither the name of Intel Corporation nor the names of its
  32 *    contributors may be used to endorse or promote products derived
  33 *    from this software without specific prior written permission.
  34 *
  35 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  36 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  37 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  38 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  39 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  40 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  41 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  42 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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  44 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  45 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  46 *
  47 */
  48#ifndef _HFI1_MSIX_H
  49#define _HFI1_MSIX_H
  50
  51#include "hfi.h"
  52
  53/* MSIx interface */
  54int msix_initialize(struct hfi1_devdata *dd);
  55int msix_request_irqs(struct hfi1_devdata *dd);
  56void msix_clean_up_interrupts(struct hfi1_devdata *dd);
  57int msix_request_general_irq(struct hfi1_devdata *dd);
  58int msix_request_rcd_irq(struct hfi1_ctxtdata *rcd);
  59int msix_request_sdma_irq(struct sdma_engine *sde);
  60void msix_free_irq(struct hfi1_devdata *dd, u8 msix_intr);
  61
  62/* Netdev interface */
  63void msix_netdev_synchronize_irq(struct hfi1_devdata *dd);
  64int msix_netdev_request_rcd_irq(struct hfi1_ctxtdata *rcd);
  65
  66#endif
  67