usr/src/boot/sys/boot/ofw/libofw/libofw.h

   1 /*-
   2  * Copyright (C) 2000 Benno Rice.
   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 Benno Rice ``AS IS'' AND ANY EXPRESS OR
  15  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  16  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  17  * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  18  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
  20  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  21  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
  22  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  23  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  24  *
  25  * $FreeBSD$
  26  */
  27
  28 #include "openfirm.h"
  29
  30 /* Note: Must match the 'struct devdesc' in stand.h */
  31 struct ofw_devdesc {
  32         struct devsw    *d_dev;
  33         int             d_type;
  34         int             d_unit;
  35         ihandle_t       d_handle;
  36         union {
  37                 char                    d_path[256];
  38                 struct {
  39                         uint64_t        pool_guid;
  40                         uint64_t        root_guid;
  41                 };
  42         };
  43 };
  44
  45 extern int      ofw_getdev(void **vdev, const char *devspec, const char **path);
  46 extern ev_sethook_t ofw_setcurrdev;
  47
  48 extern struct devsw             ofwdisk;
  49 extern struct netif_driver      ofwnet;
  50
  51 int     ofwn_getunit(const char *);
  52
  53 ssize_t ofw_copyin(const void *src, vm_offset_t dest, const size_t len);
  54 ssize_t ofw_copyout(const vm_offset_t src, void *dest, const size_t len);
  55 ssize_t ofw_readin(const int fd, vm_offset_t dest, const size_t len);
  56
  57 extern int      ofw_boot(void);
  58 extern int      ofw_autoload(void);
  59
  60 void    ofw_memmap(int);
  61 void    *ofw_alloc_heap(unsigned int);
  62 void    ofw_release_heap(void);
  63
  64 struct preloaded_file;
  65 struct file_format;
  66
  67 int     ofw_elf_loadfile(char *, vm_offset_t, struct preloaded_file **);
  68 int     ofw_elf_exec(struct preloaded_file *);
  69
  70 extern struct file_format       ofw_elf;
  71 #ifdef __powerpc__
  72 extern struct file_format       ofw_elf64;
  73 #endif
  74
  75 extern void     reboot(void);
  76
  77 struct ofw_reg
  78 {
  79         cell_t          base;
  80         cell_t          size;
  81 };
  82
  83 struct ofw_reg2
  84 {
  85         cell_t          base_hi;
  86         cell_t          base_lo;
  87         cell_t          size;
  88 };
  89
  90 extern int (*openfirmware)(void *);