1/*-
2 * Copyright (c) 2015 Marcel Moolenaar
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#ifndef _TOOLS_BUS_DMA_H_
28#define	_TOOLS_BUS_DMA_H_
29
30int	bd_tag_create(const char *dev, u_long align, u_long bndry,
31	    u_long maxaddr, u_long maxsz, u_int nsegs, u_long maxsegsz,
32	    u_int datarate, u_int flags);
33int	bd_tag_derive(int tid, u_long align, u_long bndry, u_long maxaddr,
34	    u_long maxsz, u_int nsegs, u_long maxsegsz, u_int datarate,
35	    u_int flags);
36int	bd_tag_destroy(int tid);
37
38int	bd_md_create(int tid, u_int flags);
39int	bd_md_destroy(int mdid);
40int	bd_md_load(int mdid, void *buf, u_long len, u_int flags);
41int	bd_md_unload(int mdid);
42
43int	bd_mem_alloc(int tid, u_int flags);
44int	bd_mem_free(int mdid);
45
46int	bd_md_first_seg(int mdid, int what);
47int	bd_md_next_seg(int mdid, int sid);
48
49int	bd_seg_get_addr(int sid, u_long *);
50int	bd_seg_get_size(int sid, u_long *);
51
52int	bd_sync(int mdid, u_int op, u_long ofs, u_long len);
53
54#endif /* _TOOLS_BUS_DMA_H_ */
55