FreeBSD/Linux Kernel Cross Reference
sys/dev/ofw/openfirm.h

     /*      $NetBSD: openfirm.h,v 1.1 1998/05/15 10:16:00 tsubai Exp $      */
     
     /*-
      * Copyright (C) 1995, 1996 Wolfgang Solfrank.
      * Copyright (C) 1995, 1996 TooLs GmbH.
      * 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.
     * 3. All advertising materials mentioning features or use of this software
     *    must display the following acknowledgement:
     *      This product includes software developed by TooLs GmbH.
     * 4. The name of TooLs GmbH may not be used to endorse or promote products
     *    derived from this software without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``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 TOOLS GMBH 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.
     */
    /*
     * Copyright (C) 2000 Benno Rice.
     * 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 Benno Rice ``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 TOOLS GMBH 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/9.0/sys/dev/ofw/openfirm.h 209817 2010-07-08 18:15:06Z nwhitehorn $
     */
    
    #ifndef _DEV_OPENFIRM_H_
    #define _DEV_OPENFIRM_H_
    
    #include <sys/types.h>
    
    /*
     * Prototypes for Open Firmware Interface Routines
     */
    
    typedef uint32_t        ihandle_t;
    typedef uint32_t        phandle_t;
    typedef uint32_t        pcell_t;
    
    #ifdef _KERNEL
    #include <sys/malloc.h>
    
    #include <machine/ofw_machdep.h>
    
    MALLOC_DECLARE(M_OFWPROP);
    
    /*
     * Open Firmware interface initialization.  OF_install installs the named
     * interface as the Open Firmware access mechanism, OF_init initializes it.
     */
    
    boolean_t       OF_install(char *name, int prio);
    int             OF_init(void *cookie);
    
    /*
     * Known Open Firmware interface names
     */
    
    #define OFW_STD_DIRECT  "ofw_std"       /* Standard OF interface */
    #define OFW_STD_REAL    "ofw_real"      /* Real-mode OF interface */
    #define OFW_STD_32BIT   "ofw_32bit"     /* 32-bit OF interface */
    #define OFW_FDT         "ofw_fdt"       /* Flattened Device Tree */
    
    /* Generic functions */
    int             OF_test(const char *name);
    void            OF_printf(const char *fmt, ...);
   
   /* Device tree functions */
   phandle_t       OF_peer(phandle_t node);
   phandle_t       OF_child(phandle_t node);
   phandle_t       OF_parent(phandle_t node);
   ssize_t         OF_getproplen(phandle_t node, const char *propname);
   ssize_t         OF_getprop(phandle_t node, const char *propname, void *buf,
                       size_t len);
   ssize_t         OF_searchprop(phandle_t node, const char *propname, void *buf,
                       size_t len);
   ssize_t         OF_getprop_alloc(phandle_t node, const char *propname,
                       int elsz, void **buf);
   int             OF_nextprop(phandle_t node, const char *propname, char *buf,
                       size_t len);
   int             OF_setprop(phandle_t node, const char *name, const void *buf,
                       size_t len);
   ssize_t         OF_canon(const char *path, char *buf, size_t len);
   phandle_t       OF_finddevice(const char *path);
   ssize_t         OF_package_to_path(phandle_t node, char *buf, size_t len);
   
   /* Device I/O functions */
   ihandle_t       OF_open(const char *path);
   void            OF_close(ihandle_t instance);
   ssize_t         OF_read(ihandle_t instance, void *buf, size_t len);
   ssize_t         OF_write(ihandle_t instance, const void *buf, size_t len);
   int             OF_seek(ihandle_t instance, uint64_t where);
   
   phandle_t       OF_instance_to_package(ihandle_t instance);
   ssize_t         OF_instance_to_path(ihandle_t instance, char *buf, size_t len);
   int             OF_call_method(const char *method, ihandle_t instance,
                       int nargs, int nreturns, ...);
   
   /* Memory functions */
   void            *OF_claim(void *virtrequest, size_t size, u_int align);
   void            OF_release(void *virt, size_t size);
   
   /* Control transfer functions */
   void            OF_enter(void);
   void            OF_exit(void) __attribute__((noreturn));
   
   /* User interface functions */
   int             OF_interpret(const char *cmd, int nreturns, ...);
   
   #endif /* _KERNEL */
   #endif /* _DEV_OPENFIRM_H_ */

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