/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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/*
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*
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* (C) COPYRIGHT 2012, 2020-2021 ARM Limited. All rights reserved.
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*
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* This program is free software and is provided to you under the terms of the
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* GNU General Public License version 2 as published by the Free Software
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* Foundation, and any use by you of this program is subject to the terms
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* of such GNU license.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you can access it online at
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* http://www.gnu.org/licenses/gpl-2.0.html.
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*
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*/
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#ifndef _DMA_BUF_LOCK_H
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#define _DMA_BUF_LOCK_H
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typedef enum dma_buf_lock_exclusive
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{
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DMA_BUF_LOCK_NONEXCLUSIVE = 0,
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DMA_BUF_LOCK_EXCLUSIVE = -1
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} dma_buf_lock_exclusive;
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typedef struct dma_buf_lock_k_request
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{
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int count;
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int *list_of_dma_buf_fds;
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int timeout;
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dma_buf_lock_exclusive exclusive;
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} dma_buf_lock_k_request;
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#define DMA_BUF_LOCK_IOC_MAGIC '~'
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#define DMA_BUF_LOCK_FUNC_LOCK_ASYNC _IOW(DMA_BUF_LOCK_IOC_MAGIC, 11, dma_buf_lock_k_request)
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#define DMA_BUF_LOCK_IOC_MINNR 11
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#define DMA_BUF_LOCK_IOC_MAXNR 11
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#endif /* _DMA_BUF_LOCK_H */
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