altera_avgen.h

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    1 /*-
    2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
    3  *
    4  * Copyright (c) 2012, 2016 Robert N. M. Watson
    5  * All rights reserved.
    6  *
    7  * This software was developed by SRI International and the University of
    8  * Cambridge Computer Laboratory under DARPA/AFRL contract (FA8750-10-C-0237)
    9  * ("CTSRD"), as part of the DARPA CRASH research programme.
   10  *
   11  * Redistribution and use in source and binary forms, with or without
   12  * modification, are permitted provided that the following conditions
   13  * are met:
   14  * 1. Redistributions of source code must retain the above copyright
   15  *    notice, this list of conditions and the following disclaimer.
   16  * 2. Redistributions in binary form must reproduce the above copyright
   17  *    notice, this list of conditions and the following disclaimer in the
   18  *    documentation and/or other materials provided with the distribution.
   19  *
   20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   30  * SUCH DAMAGE.
   31  *
   32  * $FreeBSD$
   33  */
   34 
   35 #ifndef _DEV_ALTERA_AVALON_H_
   36 #define _DEV_ALTERA_AVALON_H_
   37 
   38 struct altera_avgen_softc {
   39         /*
   40          * Bus-related fields.
   41          */
   42         device_t         avg_dev;
   43         int              avg_unit;
   44         char            *avg_name;
   45 
   46         /*
   47          * The device node and memory-mapped I/O region.
   48          */
   49         struct cdev     *avg_cdev;
   50         struct resource *avg_res;
   51         int              avg_rid;
   52 
   53         /*
   54          * Access properties configured by device.hints.
   55          */
   56         u_int            avg_flags;
   57         u_int            avg_width;
   58         u_int            avg_sectorsize;
   59 
   60         /*
   61          * disk(9) state, if required for this device.
   62          */
   63         struct disk     *avg_disk;
   64         struct mtx       avg_disk_mtx;
   65 };
   66 
   67 /*
   68  * Various flags extracted from device.hints to configure operations on the
   69  * device.
   70  */
   71 #define ALTERA_AVALON_FLAG_READ                 0x01
   72 #define ALTERA_AVALON_FLAG_WRITE                0x02
   73 #define ALTERA_AVALON_FLAG_MMAP_READ            0x04
   74 #define ALTERA_AVALON_FLAG_MMAP_WRITE           0x08
   75 #define ALTERA_AVALON_FLAG_MMAP_EXEC            0x10
   76 #define ALTERA_AVALON_FLAG_GEOM_READ            0x20
   77 #define ALTERA_AVALON_FLAG_GEOM_WRITE           0x40
   78 
   79 #define ALTERA_AVALON_CHAR_READ                 'r'
   80 #define ALTERA_AVALON_CHAR_WRITE                'w'
   81 #define ALTERA_AVALON_CHAR_EXEC                 'x'
   82 
   83 #define ALTERA_AVALON_STR_WIDTH                 "width"
   84 #define ALTERA_AVALON_STR_FILEIO                "fileio"
   85 #define ALTERA_AVALON_STR_GEOMIO                "geomio"
   86 #define ALTERA_AVALON_STR_MMAPIO                "mmapio"
   87 #define ALTERA_AVALON_STR_DEVNAME               "devname"
   88 #define ALTERA_AVALON_STR_DEVUNIT               "devunit"
   89 
   90 /*
   91  * Driver setup routines from the bus attachment/teardown.
   92  */
   93 int     altera_avgen_attach(struct altera_avgen_softc *sc,
   94             const char *str_fileio, const char *str_geomio,
   95             const char *str_mmapio, const char *str_devname, int devunit);
   96 void    altera_avgen_detach(struct altera_avgen_softc *sc);
   97 
   98 #endif /* _DEV_ALTERA_AVALON_H_ */

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sys/dev/altera/avgen/altera_avgen.h