/*	$NetBSD: efiboot.h,v 1.4 2020/01/26 10:12:29 skrll Exp $	*/

/*-
 * Copyright (c) 1996
 *	Matthias Drochner.  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 for the NetBSD Project
 *	by Matthias Drochner.
 * 4. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 THE AUTHOR 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.
 *
 * $FreeBSD$: src/sys/boot/efi/libefi/efiboot.h,v 1.8 2003/08/02 08:22:03 marcel Exp $
 */

/*
 * EFI fully-qualified device descriptor
 */
struct efi_devdesc {
	struct	devsw	*d_dev;
	int		d_type;
#define	DEVT_NONE	0
#define	DEVT_DISK	1
#define	DEVT_NET	2
	EFI_HANDLE	d_handle;
	union {
		struct {
			int	unit;
			int	slice;
			int	partition;
		} efidisk;
		struct {
			int	unit;	/* XXX net layer lives over these? */
		} netif;
	} d_kind;
};

extern int	efi_getdev(void **vdev, const char *devspec, const char **path);
extern char	*efi_fmtdev(void *vdev);
extern int	efi_setcurrdev(struct env_var *ev, int flags, void *value);

#define	MAXDEV	31	/* maximum number of distinct devices */

typedef unsigned long physaddr_t;

/* exported devices XXX rename? */
extern struct devsw devsw[];
extern struct netif_driver efi_net;

/* Find EFI network resources */
extern void efinet_init_driver(void);

/* Map handles to units */
int efifs_get_unit(EFI_HANDLE);

/* Wrapper over EFI filesystems. */
extern struct fs_ops efi_fsops;

/* this is in startup code */
extern void		delay(int);
extern void		reboot(void);

extern ssize_t		efi_copyin(const void *src, vaddr_t dest, size_t len);
extern ssize_t		efi_copyout(const vaddr_t src, void *dest, size_t len);
extern ssize_t		efi_readin(const int fd, vaddr_t dest, size_t len);

extern int		efi_boot(void);
extern int		efi_autoload(void);

extern int		fpswa_init(u_int64_t *fpswa_interface);

struct bootinfo;
struct preloaded_file;
extern int		bi_load(struct bootinfo *, struct preloaded_file *,
				UINTN *mapkey, UINTN pages);