elilo/chooser.h

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/*
* Copyright (C) 2001-2003 Hewlett-Packard Co.
* Contributed by Stephane Eranian <eranian@hpl.hp.com>
*
* This file is part of the ELILO, the EFI Linux boot loader.
*
* GNU EFI is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* GNU EFI is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GNU EFI; see the file COPYING. If not, write to the Free
* Software Foundation, 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*
* Please check out the elilo.txt for complete documentation on how
* to use this program.
*/
#ifndef __ELILO_CHOOSER_H__
#define __ELILO_CHOOSER_H__
typedef INTN chooser_func_t(CHAR16 **argv, INTN arc, INTN index, CHAR16 *kname, CHAR16 *cmdline);
/*
* structure to interface to generic chooser selection code.
*
* XXX: must add support for moer than one choice (rating scheme)
*
* Interface for probe:
* dev: boot device handle
* return: -1, if not support, 0 if supported
*
* Interface for chooser:
* argv,argc: command line argument passed to elilo
* index : position of first non-option argument (min value=1)
* kname : selected kernel name
* cmdline : requested kernel command line
* return:
* -1: if error
* 0: if successful
*/
typedef struct {
CHAR16 *chooser_name;
INTN (*chooser_probe)(EFI_HANDLE dev);
chooser_func_t *chooser_func;
} chooser_t;
extern INTN init_chooser(EFI_HANDLE);
extern INTN exist_chooser(CHAR16 *name);
extern chooser_func_t *kernel_chooser;
#endif /* __ELILO_CHOOSER_H__ */