diff options
Diffstat (limited to 'drivers/base/dma_buf_lock/src/dma_buf_lock.h')
-rwxr-xr-x | drivers/base/dma_buf_lock/src/dma_buf_lock.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/drivers/base/dma_buf_lock/src/dma_buf_lock.h b/drivers/base/dma_buf_lock/src/dma_buf_lock.h new file mode 100755 index 000000000000..e1b9348b9cfd --- /dev/null +++ b/drivers/base/dma_buf_lock/src/dma_buf_lock.h @@ -0,0 +1,42 @@ +/* + * + * (C) COPYRIGHT 2012 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 */ |