src/boot/efi/util.h

   1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
   2
   3 /*
   4  * This program is free software; you can redistribute it and/or modify it
   5  * under the terms of the GNU Lesser General Public License as published by
   6  * the Free Software Foundation; either version 2.1 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful, but
  10  * WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * Copyright (C) 2012-2013 Kay Sievers <kay@vrfy.org>
  15  * Copyright (C) 2012 Harald Hoyer <harald@redhat.com>
  16  */
  17
  18 #ifndef __SDBOOT_UTIL_H
  19 #define __SDBOOT_UTIL_H
  20
  21 #include <efi.h>
  22 #include <efilib.h>
  23
  24 #define ELEMENTSOF(x) (sizeof(x)/sizeof((x)[0]))
  25
  26 UINT64 ticks_read(void);
  27 UINT64 ticks_freq(void);
  28 UINT64 time_usec(void);
  29
  30 EFI_STATUS efivar_set(CHAR16 *name, CHAR16 *value, BOOLEAN persistent);
  31 EFI_STATUS efivar_set_raw(const EFI_GUID *vendor, CHAR16 *name, CHAR8 *buf, UINTN size, BOOLEAN persistent);
  32 EFI_STATUS efivar_set_int(CHAR16 *name, UINTN i, BOOLEAN persistent);
  33 VOID efivar_set_time_usec(CHAR16 *name, UINT64 usec);
  34
  35 EFI_STATUS efivar_get(CHAR16 *name, CHAR16 **value);
  36 EFI_STATUS efivar_get_raw(const EFI_GUID *vendor, CHAR16 *name, CHAR8 **buffer, UINTN *size);
  37 EFI_STATUS efivar_get_int(CHAR16 *name, UINTN *i);
  38
  39 CHAR8 *strchra(CHAR8 *s, CHAR8 c);
  40 CHAR16 *stra_to_path(CHAR8 *stra);
  41 CHAR16 *stra_to_str(CHAR8 *stra);
  42
  43 INTN file_read(EFI_FILE_HANDLE dir, CHAR16 *name, UINTN off, UINTN size, CHAR8 **content);
  44 #endif