68 lines
1.7 KiB
C
Executable File
68 lines
1.7 KiB
C
Executable File
/*
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* Copyright(C) 2018 Samsung Electronics Co., Ltd.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published by
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* the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _DMA_BUF_CONTAINER_H_
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#define _DMA_BUF_CONTAINER_H_
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#include <linux/types.h>
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#include <linux/compat.h>
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#include <uapi/linux/dma-buf.h>
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#ifdef CONFIG_COMPAT
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struct compat_dma_buf_merge {
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compat_uptr_t dma_bufs;
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__s32 count;
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__s32 dmabuf_container;
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__u32 reserved[2];
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};
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#define DMA_BUF_COMPAT_IOCTL_MERGE \
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_IOWR(DMA_BUF_BASE, 13, struct compat_dma_buf_merge)
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#endif
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struct dma_buf;
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#ifdef CONFIG_DMA_BUF_CONTAINER
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long dma_buf_merge_ioctl(struct dma_buf *dmabuf,
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unsigned int cmd, unsigned long arg);
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int dmabuf_container_set_mask_user(struct dma_buf *dmabuf, unsigned long arg);
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int dmabuf_container_get_mask_user(struct dma_buf *dmabuf, unsigned long arg);
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#else
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static inline long dma_buf_merge_ioctl(struct dma_buf *dmabuf,
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unsigned int cmd, unsigned long arg)
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{
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return -ENOTTY;
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}
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static inline int dmabuf_container_set_mask_user(struct dma_buf *dmabuf,
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unsigned long arg)
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{
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return -ENOTTY;
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}
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static inline int dmabuf_container_get_mask_user(struct dma_buf *dmabuf,
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unsigned long arg)
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{
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return -ENOTTY;
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}
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#endif
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#endif /* _DMA_BUF_CONTAINER_H_ */
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