proto_dev.h

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    1 /*-
    2  * Copyright (c) 2014, 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  * $FreeBSD$
   27  */
   28 
   29 #ifndef _DEV_PROTO_DEV_H_
   30 #define _DEV_PROTO_DEV_H_
   31 
   32 #include <sys/ioccom.h>
   33 
   34 #define PROTO_IOC_CLASS 'h'
   35 
   36 struct proto_ioc_region {
   37         unsigned long   address;
   38         unsigned long   size;
   39 };
   40 
   41 #define PROTO_IOC_REGION _IOWR(PROTO_IOC_CLASS, 1, struct proto_ioc_region)
   42 
   43 struct proto_ioc_busdma {
   44         unsigned int    request;
   45 #define PROTO_IOC_BUSDMA_TAG_CREATE     1
   46 #define PROTO_IOC_BUSDMA_TAG_DERIVE     2
   47 #define PROTO_IOC_BUSDMA_TAG_DESTROY    3
   48 #define PROTO_IOC_BUSDMA_MEM_ALLOC      10
   49 #define PROTO_IOC_BUSDMA_MEM_FREE       11
   50 #define PROTO_IOC_BUSDMA_MD_CREATE      20
   51 #define PROTO_IOC_BUSDMA_MD_DESTROY     21
   52 #define PROTO_IOC_BUSDMA_MD_LOAD        22
   53 #define PROTO_IOC_BUSDMA_MD_UNLOAD      29
   54 #define PROTO_IOC_BUSDMA_SYNC           30
   55         unsigned long   key;
   56         union {
   57                 struct {
   58                         unsigned long   align;
   59                         unsigned long   bndry;
   60                         unsigned long   maxaddr;
   61                         unsigned long   maxsz;
   62                         unsigned long   maxsegsz;
   63                         unsigned int    nsegs;
   64                         unsigned int    datarate;
   65                         unsigned int    flags;
   66                 } tag;
   67                 struct {
   68                         unsigned long   tag;
   69                         unsigned int    flags;
   70                         unsigned long   virt_addr;
   71                         unsigned long   virt_size;
   72                         unsigned int    phys_nsegs;
   73                         unsigned long   phys_addr;
   74                         unsigned long   bus_addr;
   75                         unsigned int    bus_nsegs;
   76                 } md;
   77                 struct {
   78                         unsigned int    op;
   79                         unsigned long   base;
   80                         unsigned long   size;
   81                 } sync;
   82         } u;
   83         unsigned long   result;
   84 };
   85 
   86 #define PROTO_IOC_BUSDMA _IOWR(PROTO_IOC_CLASS, 2, struct proto_ioc_busdma)
   87 
   88 #endif /* _DEV_PROTO_H_ */

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FreeBSD/Linux Kernel Cross Reference sys/dev/proto/proto_dev.h

FreeBSD/Linux Kernel Cross Reference
sys/dev/proto/proto_dev.h