pci_dw_if.m

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    1 #-
    2 # Copyright (c) 2019 Michal Meloun <mmel@FreeBSD.org>
    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 # 1. Redistributions of source code must retain the above copyright
    9 #    notice, this list of conditions and the following disclaimer.
   10 # 2. Redistributions in binary form must reproduce the above copyright
   11 #    notice, this list of conditions and the following disclaimer in the
   12 #    documentation and/or other materials provided with the distribution.
   13 #
   14 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   15 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   16 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   17 # ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   18 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   19 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   20 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   21 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   22 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   23 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   24 # SUCH DAMAGE.
   25 #
   26 # $FreeBSD$
   27 #
   28 
   29 #include <machine/bus.h>
   30 
   31 INTERFACE pci_dw;
   32 
   33 
   34 /**
   35  * Read from dbi space.
   36  * The reg argument is a byte offset into dbi space.
   37  * The width argument (which should be 1, 2 or 4) specifies how
   38  * many bytes  to read from that offset.
   39  */
   40 METHOD  uint32_t dbi_read{
   41         device_t        dev;
   42         u_int           reg;
   43         int             width;
   44 };
   45 
   46 /**
   47  * Write to dbi space.
   48  * The reg argument is a byte offset into dbi space.
   49  * The width argument (which should be 1, 2 or 4) specifies how
   50  * many bytes  to write to that offset.
   51  */
   52 METHOD void dbi_write{
   53         device_t        dev;
   54         u_int           reg;
   55         uint32_t        value;
   56         int             width;
   57 };
   58 
   59 /**
   60  * Start or stop link
   61  */
   62 METHOD int set_link{
   63         device_t        dev;
   64         bool            start;
   65 };
   66 
   67 /**
   68  * Query link status (up/down)
   69  */
   70 METHOD int get_link{
   71         device_t        dev;
   72         bool            *status;
   73 };

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FreeBSD/Linux Kernel Cross Reference sys/dev/pci/pci_dw_if.m

FreeBSD/Linux Kernel Cross Reference
sys/dev/pci/pci_dw_if.m