/*
 * videobuf2-dma-contig.h - DMA contig memory allocator for videobuf2
 *
 * Copyright (C) 2010 Samsung Electronics
 *
 * Author: Pawel Osciak <pawel@osciak.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation.
 */

#ifndef _MEDIA_VIDEOBUF2_DMA_CONTIG_H
#define _MEDIA_VIDEOBUF2_DMA_CONTIG_H

#include <media/videobuf2-v4l2.h>
#include <linux/dma-mapping.h>

static inline dma_addr_t
vb2_dma_contig_plane_dma_addr(struct vb2_buffer *vb, unsigned int plane_no)
{
	dma_addr_t *addr = vb2_plane_cookie(vb, plane_no);

	return *addr;
}

int vb2_dma_contig_set_max_seg_size(struct device *dev, unsigned int size);
void vb2_dma_contig_clear_max_seg_size(struct device *dev);

extern const struct vb2_mem_ops vb2_dma_contig_memops;

#endif
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<tr class='logheader'><td><span title='2017-02-03 15:16:45 -0500'>2017-02-03</span></td><td class='logsubject'><a href='/cgit.cgi/linux/net-next.git/commit/net/Makefile?id=1ce8460496c05379c66edc178c3c55ca4e953044'>net: Introduce ife encapsulation module</a></td><td>Yotam Gigi</td><td>1</td><td><span class='deletions'>-0</span>/<span class='insertions'>+1</span></td></tr>
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This module is responsible for the ife encapsulation protocol
encode/decode logics. That module can:
 - ife_encode: encode skb and reserve space for the ife meta header
 - ife_decode: decode skb and extract the meta header size
 - ife_tlv_meta_encode - encodes one tlv entry into the reserved ife
   header space.
 - ife_tlv_meta_decode - decodes one tlv entry from the packet
 - ife_tlv_meta_next - advance to the next tlv

Reviewed-by: Jiri Pirko &lt;jiri@mellanox.com&gt;
Signed-off-by: Yotam Gigi &lt;yotamg@mellanox.com&gt;
Signed-off-by: Jamal Hadi Salim &lt;jhs@mojatatu.com&gt;
Signed-off-by: Roman Mashak &lt;mrv@mojatatu.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;


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