OpenCloudOS-Kernel/drivers/infiniband/hw/hfi1/msix.h

67 lines
2.8 KiB
C

/* SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) */
/*
* Copyright(c) 2018 - 2020 Intel Corporation.
*
* This file is provided under a dual BSD/GPLv2 license. When using or
* redistributing this file, you may do so under either license.
*
* GPL LICENSE SUMMARY
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* 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 for more details.
*
* BSD 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.
* - Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* 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
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#ifndef _HFI1_MSIX_H
#define _HFI1_MSIX_H
#include "hfi.h"
/* MSIx interface */
int msix_initialize(struct hfi1_devdata *dd);
int msix_request_irqs(struct hfi1_devdata *dd);
void msix_clean_up_interrupts(struct hfi1_devdata *dd);
int msix_request_general_irq(struct hfi1_devdata *dd);
int msix_request_rcd_irq(struct hfi1_ctxtdata *rcd);
int msix_request_sdma_irq(struct sdma_engine *sde);
void msix_free_irq(struct hfi1_devdata *dd, u8 msix_intr);
/* Netdev interface */
void msix_netdev_synchronize_irq(struct hfi1_devdata *dd);
int msix_netdev_request_rcd_irq(struct hfi1_ctxtdata *rcd);
#endif