FreeBSD/Linux Kernel Cross Reference
sys/x86/include/legacyvar.h

     /*-
      * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
      *
      * Copyright (c) 2000 Peter Wemm <peter@FreeBSD.org>
      * All rights reserved.
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions
      * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     * SUCH DAMAGE.
     *
     * $FreeBSD: releng/12.0/sys/x86/include/legacyvar.h 326263 2017-11-27 15:11:47Z pfg $
     */
    
    #ifndef _X86_LEGACYVAR_H_
    #define _X86_LEGACYVAR_H_
    
    enum legacy_device_ivars {
            LEGACY_IVAR_PCIDOMAIN,
            LEGACY_IVAR_PCIBUS,
            LEGACY_IVAR_PCISLOT,
            LEGACY_IVAR_PCIFUNC
    };
    
    #define LEGACY_ACCESSOR(var, ivar, type)                                \
        __BUS_ACCESSOR(legacy, var, LEGACY, ivar, type)
    
    LEGACY_ACCESSOR(pcidomain,              PCIDOMAIN,      uint32_t)
    LEGACY_ACCESSOR(pcibus,                 PCIBUS,         uint32_t)
    LEGACY_ACCESSOR(pcislot,                PCISLOT,        int)
    LEGACY_ACCESSOR(pcifunc,                PCIFUNC,        int)
    
    #undef LEGACY_ACCESSOR
    
    int     legacy_pcib_maxslots(device_t dev);
    uint32_t legacy_pcib_read_config(device_t dev, u_int bus, u_int slot,
        u_int func, u_int reg, int bytes);
    int     legacy_pcib_read_ivar(device_t dev, device_t child, int which,
        uintptr_t *result);
    void    legacy_pcib_write_config(device_t dev, u_int bus, u_int slot,
        u_int func, u_int reg, uint32_t data, int bytes);
    int     legacy_pcib_write_ivar(device_t dev, device_t child, int which,
        uintptr_t value);
    struct resource *legacy_pcib_alloc_resource(device_t dev, device_t child,
        int type, int *rid, rman_res_t start, rman_res_t end, rman_res_t count,
        u_int flags);
    int     legacy_pcib_adjust_resource(device_t dev, device_t child, int type,
        struct resource *r, rman_res_t start, rman_res_t end);
    int     legacy_pcib_release_resource(device_t dev, device_t child, int type,
        int rid, struct resource *r);
    int     legacy_pcib_alloc_msi(device_t pcib, device_t dev, int count,
        int maxcount, int *irqs);
    int     legacy_pcib_alloc_msix(device_t pcib, device_t dev, int *irq);
    int     legacy_pcib_map_msi(device_t pcib, device_t dev, int irq,
        uint64_t *addr, uint32_t *data);
    
    #endif /* !_X86_LEGACYVAR_H_ */

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