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/*
*
* (C) COPYRIGHT ARM Limited. All rights reserved.
*
* This program is free software and is provided to you under the terms of the
* GNU General Public License version 2 as published by the Free Software
* Foundation, and any use by you of this program is subject to the terms
* of such GNU licence.
*
* A copy of the licence is included with the program, and can also be obtained
* from Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#ifndef _DMA_BUF_LOCK_H
#define _DMA_BUF_LOCK_H
typedef enum dma_buf_lock_exclusive
{
DMA_BUF_LOCK_NONEXCLUSIVE = 0,
DMA_BUF_LOCK_EXCLUSIVE = -1
} dma_buf_lock_exclusive;
typedef struct dma_buf_lock_k_request
{
int count;
int *list_of_dma_buf_fds;
int timeout;
dma_buf_lock_exclusive exclusive;
} dma_buf_lock_k_request;
#define DMA_BUF_LOCK_IOC_MAGIC '~'
#define DMA_BUF_LOCK_FUNC_LOCK_ASYNC _IOW(DMA_BUF_LOCK_IOC_MAGIC, 11, dma_buf_lock_k_request)
#define DMA_BUF_LOCK_IOC_MINNR 11
#define DMA_BUF_LOCK_IOC_MAXNR 11
#endif /* _DMA_BUF_LOCK_H */
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