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author | marcel <marcel@FreeBSD.org> | 2015-06-06 16:14:03 +0000 |
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committer | marcel <marcel@FreeBSD.org> | 2015-06-06 16:14:03 +0000 |
commit | 9d7393a25cad6018b12d73a6304241272dc1ffb4 (patch) | |
tree | e8dd5a23810c7542cf1d51522936bc172bbfe980 /tools/bus_space/busdma.h | |
parent | 58f25d3df4c4b55a3af3128ba66239f1ed92efcd (diff) | |
download | FreeBSD-src-9d7393a25cad6018b12d73a6304241272dc1ffb4.zip FreeBSD-src-9d7393a25cad6018b12d73a6304241272dc1ffb4.tar.gz |
Add DMA tag management to the C library and Python binding.
Diffstat (limited to 'tools/bus_space/busdma.h')
-rw-r--r-- | tools/bus_space/busdma.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/tools/bus_space/busdma.h b/tools/bus_space/busdma.h new file mode 100644 index 0000000..7b8686e --- /dev/null +++ b/tools/bus_space/busdma.h @@ -0,0 +1,40 @@ +/*- + * Copyright (c) 2015 Marcel Moolenaar + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#ifndef _TOOLS_BUS_DMA_H_ +#define _TOOLS_BUS_DMA_H_ + +int bd_tag_create(const char *dev, u_long align, u_long bndry, + u_long maxaddr, u_long maxsz, u_int nsegs, u_long maxsegsz, + u_int datarate, u_int flags); +int bd_tag_derive(int tid, u_long align, u_long bndry, u_long maxaddr, + u_long maxsz, u_int nsegs, u_long maxsegsz, u_int datarate, + u_int flags); +int bd_tag_destroy(int tid); + +#endif /* _TOOLS_BUS_DMA_H_ */ |