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55 lines
2.2 KiB
C
55 lines
2.2 KiB
C
/*-
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* Copyright (c) 2015 Marcel Moolenaar
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _TOOLS_BUS_DMA_H_
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#define _TOOLS_BUS_DMA_H_
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int bd_tag_create(const char *dev, u_long align, u_long bndry,
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u_long maxaddr, u_long maxsz, u_int nsegs, u_long maxsegsz,
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u_int datarate, u_int flags);
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int bd_tag_derive(int tid, u_long align, u_long bndry, u_long maxaddr,
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u_long maxsz, u_int nsegs, u_long maxsegsz, u_int datarate,
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u_int flags);
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int bd_tag_destroy(int tid);
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int bd_md_create(int tid, u_int flags);
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int bd_md_destroy(int mdid);
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int bd_md_load(int mdid, void *buf, u_long len, u_int flags);
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int bd_md_unload(int mdid);
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int bd_mem_alloc(int tid, u_int flags);
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int bd_mem_free(int mdid);
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int bd_md_first_seg(int mdid, int what);
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int bd_md_next_seg(int mdid, int sid);
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int bd_seg_get_addr(int sid, u_long *);
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int bd_seg_get_size(int sid, u_long *);
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int bd_sync(int mdid, u_int op, u_long ofs, u_long len);
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#endif /* _TOOLS_BUS_DMA_H_ */
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