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bba6f0a901
a newly introduced struct ofw_bus_devinfo which can hold the OFW info of a device recallable via the ofw_bus KOBJ interface. Introduce a set of functions ofw_bus_gen_get_*() which use ofw_bus_default_get_devinfo() to provide generic subroutines for implementing the rest of the ofw_bus KOBJ interface in a bus driver. This is inspired by bus_get_resource_list() and bus_generic_rl_*_resource() and allows to reduce code duplication in bus drivers as they only have to provide an ofw_bus_default_get_devinfo() implementation in order to provide the ofw_bus KOBJ interface via ofw_bus_gen_get_*(). - While here add a comment to ofw_bus_if.m describing the intention of the ofw_bus KOBJ interface. Reviewed by: marcel
50 lines
1.9 KiB
C
50 lines
1.9 KiB
C
/*-
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* Copyright (c) 2005 Marius Strobl <marius@FreeBSD.org>
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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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* 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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* without modification, immediately at the beginning of the file.
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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
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _DEV_OFW_OFW_BUS_SUBR_H_
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#define _DEV_OFW_OFW_BUS_SUBR_H_
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#include <sys/bus.h>
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#include <dev/ofw/openfirm.h>
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#include "ofw_bus_if.h"
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int ofw_bus_gen_setup_devinfo(struct ofw_bus_devinfo *, phandle_t);
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void ofw_bus_gen_destroy_devinfo(struct ofw_bus_devinfo *);
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ofw_bus_get_compat_t ofw_bus_gen_get_compat;
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ofw_bus_get_model_t ofw_bus_gen_get_model;
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ofw_bus_get_name_t ofw_bus_gen_get_name;
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ofw_bus_get_node_t ofw_bus_gen_get_node;
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ofw_bus_get_type_t ofw_bus_gen_get_type;
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#endif /* !_DEV_OFW_OFW_BUS_SUBR_H_ */
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