freebsd-dev/sys/dev/proto/proto_dev.h

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