sys/boot/efi/libefi/efiboot.h

   1 /*
   2  * Copyright (c) 1996
   3  *      Matthias Drochner.  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  * 3. All advertising materials mentioning features or use of this software
  14  *    must display the following acknowledgement:
  15  *      This product includes software developed for the NetBSD Project
  16  *      by Matthias Drochner.
  17  * 4. The name of the author may not be used to endorse or promote products
  18  *    derived from this software without specific prior written permission.
  19  *
  20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  21  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  22  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  23  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  24  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  25  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  27  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  29  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  30  *
  31  * $FreeBSD: src/sys/boot/efi/libefi/efiboot.h,v 1.8 2003/08/02 08:22:03 marcel Exp $
  32  * $DragonFly: src/sys/boot/efi/libefi/efiboot.h,v 1.1 2003/11/10 06:08:33 dillon Exp $
  33  */
  34
  35 /*
  36  * EFI fully-qualified device descriptor
  37  */
  38 struct efi_devdesc {
  39         struct  devsw   *d_dev;
  40         int             d_type;
  41 #define DEVT_NONE       0
  42 #define DEVT_DISK       1
  43 #define DEVT_NET        2
  44         EFI_HANDLE      d_handle;
  45         union {
  46                 struct {
  47                         int     unit;
  48                         int     slice;
  49                         int     partition;
  50                 } efidisk;
  51                 struct {
  52                         int     unit;   /* XXX net layer lives over these? */
  53                 } netif;
  54         } d_kind;
  55 };
  56
  57 extern int      efi_getdev(void **vdev, const char *devspec, const char **path);
  58 extern char     *efi_fmtdev(void *vdev);
  59 extern int      efi_setcurrdev(struct env_var *ev, int flags, void *value);
  60
  61 #define MAXDEV  31      /* maximum number of distinct devices */
  62
  63 typedef unsigned long physaddr_t;
  64
  65 /* exported devices XXX rename? */
  66 extern struct devsw efifs_dev;
  67 extern struct devsw efi_disk;
  68 extern struct netif_driver efi_net;
  69
  70 /* Find EFI network resources */
  71 extern void efinet_init_driver(void);
  72
  73 /* Map handles to units */
  74 int efifs_get_unit(EFI_HANDLE);
  75
  76 /* Wrapper over EFI filesystems. */
  77 extern struct fs_ops efi_fsops;
  78
  79 /* this is in startup code */
  80 extern void             delay(int);
  81 extern void             reboot(void);
  82
  83 extern ssize_t          efi_copyin(const void *src, vm_offset_t dest, size_t len);
  84 extern ssize_t          efi_copyout(const vm_offset_t src, void *dest, size_t len);
  85 extern ssize_t          efi_readin(int fd, vm_offset_t dest, size_t len);
  86
  87 extern int              efi_boot(void);
  88 extern int              efi_autoload(void);
  89
  90 extern int              fpswa_init(u_int64_t *fpswa_interface);
  91
  92 struct bootinfo;
  93 struct preloaded_file;
  94 extern int              bi_load(struct bootinfo *, struct preloaded_file *,
  95                                 UINTN *mapkey, UINTN pages);