87 lines
2.7 KiB
C
87 lines
2.7 KiB
C
/*-
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* Copyright (c) 2014, 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 _DEV_PROTO_DEV_H_
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#define _DEV_PROTO_DEV_H_
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#include <sys/ioccom.h>
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#define PROTO_IOC_CLASS 'h'
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struct proto_ioc_region {
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unsigned long address;
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unsigned long size;
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};
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#define PROTO_IOC_REGION _IOWR(PROTO_IOC_CLASS, 1, struct proto_ioc_region)
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struct proto_ioc_busdma {
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unsigned int request;
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#define PROTO_IOC_BUSDMA_TAG_CREATE 1
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#define PROTO_IOC_BUSDMA_TAG_DERIVE 2
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#define PROTO_IOC_BUSDMA_TAG_DESTROY 3
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#define PROTO_IOC_BUSDMA_MEM_ALLOC 10
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#define PROTO_IOC_BUSDMA_MEM_FREE 11
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#define PROTO_IOC_BUSDMA_MD_CREATE 20
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#define PROTO_IOC_BUSDMA_MD_DESTROY 21
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#define PROTO_IOC_BUSDMA_MD_LOAD 22
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#define PROTO_IOC_BUSDMA_MD_UNLOAD 29
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#define PROTO_IOC_BUSDMA_SYNC 30
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unsigned long key;
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union {
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struct {
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unsigned long align;
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unsigned long bndry;
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unsigned long maxaddr;
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unsigned long maxsz;
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unsigned long maxsegsz;
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unsigned int nsegs;
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unsigned int datarate;
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unsigned int flags;
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} tag;
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struct {
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unsigned long tag;
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unsigned int flags;
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unsigned long virt_addr;
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unsigned long virt_size;
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unsigned int phys_nsegs;
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unsigned long phys_addr;
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unsigned long bus_addr;
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unsigned int bus_nsegs;
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} md;
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struct {
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unsigned int op;
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unsigned long base;
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unsigned long size;
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} sync;
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} u;
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unsigned long result;
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};
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#define PROTO_IOC_BUSDMA _IOWR(PROTO_IOC_CLASS, 2, struct proto_ioc_busdma)
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#endif /* _DEV_PROTO_H_ */
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