The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/isa/isa_common.h

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    1 /*-
    2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
    3  *
    4  * Copyright (c) 1999 Doug Rabson
    5  * All rights reserved.
    6  *
    7  * Redistribution and use in source and binary forms, with or without
    8  * modification, are permitted provided that the following conditions
    9  * are met:
   10  * 1. Redistributions of source code must retain the above copyright
   11  *    notice, this list of conditions and the following disclaimer.
   12  * 2. Redistributions in binary form must reproduce the above copyright
   13  *    notice, this list of conditions and the following disclaimer in the
   14  *    documentation and/or other materials provided with the distribution.
   15  *
   16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   26  * SUCH DAMAGE.
   27  *
   28  * $FreeBSD: head/sys/isa/isa_common.h 326272 2017-11-27 15:23:17Z pfg $
   29  */
   30 
   31 /*
   32  * Parts of the ISA bus implementation common to all architectures.
   33  *
   34  * Drivers must not depend on information in this file as it can change
   35  * without notice.
   36  */
   37 
   38 /*
   39  * PNP configurations are kept in a tailq.
   40  */
   41 TAILQ_HEAD(isa_config_list, isa_config_entry);
   42 struct isa_config_entry {
   43         TAILQ_ENTRY(isa_config_entry) ice_link;
   44         int                     ice_priority;
   45         struct isa_config       ice_config;
   46 };
   47 
   48 /*
   49  * The structure used to attach devices to the isa bus.
   50  */
   51 struct isa_device {
   52         struct resource_list    id_resources;
   53         uint32_t                id_vendorid; /* pnp vendor id */
   54         uint32_t                id_serial; /* pnp serial */
   55         uint32_t                id_logicalid; /* pnp logical device id */
   56         uint32_t                id_compatid; /* pnp compat device id */
   57         struct isa_config_list  id_configs; /* pnp config alternatives */
   58         isa_config_cb           *id_config_cb; /* callback function */
   59         void                    *id_config_arg; /* callback argument */
   60         int                     id_config_attr; /* pnp config attributes */
   61         int                     id_pnpbios_handle; /* pnp handle, if any */
   62         int                     id_pnp_csn; /* pnp Card Number */
   63         int                     id_pnp_ldn; /* pnp Logical device on card */
   64         int                     id_order;
   65 };
   66 
   67 #define DEVTOISA(dev)   ((struct isa_device *) device_get_ivars(dev))
   68 
   69 /*
   70  * These functions are architecture dependent.
   71  */
   72 extern void isa_init(device_t dev);
   73 extern struct resource *isa_alloc_resource(device_t bus, device_t child,
   74     int type, int *rid, rman_res_t start, rman_res_t end, rman_res_t count,
   75     u_int flags);
   76 extern int isa_release_resource(device_t bus, device_t child,
   77     int type, int rid, struct resource *r);
   78 
   79 extern driver_t isa_driver;
   80 extern devclass_t isa_devclass;

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