freebsd-dev/stand/efi/include/efizfs.h
Warner Losh 59a05bdf35 Create boot_img as a global variable
Get the information from the image that we're booting and store it in
a global variable. Prefer using this to passing it around. Remove the
special case for zfs that set the preferred boot handle by having it
uses this global variable diretly.

Reviewed by: kevans@
Differential Revision: https://reviews.freebsd.org/D20015
2019-04-22 18:40:24 +00:00

59 lines
1.9 KiB
C

/*-
* Copyright (c) 2016 Eric McCorkle
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.
*
* $FreeBSD$
*/
#include <stdint.h>
#include <stdbool.h>
#ifndef _EFIZFS_H_
#define _EFIZFS_H_
#ifdef EFI_ZFS_BOOT
#include <libzfs.h>
typedef STAILQ_HEAD(zfsinfo_list, zfsinfo) zfsinfo_list_t;
typedef struct zfsinfo
{
STAILQ_ENTRY(zfsinfo) zi_link;
EFI_HANDLE zi_handle;
uint64_t zi_pool_guid;
} zfsinfo_t;
extern uint64_t pool_guid;
void efi_zfs_probe(void);
EFI_HANDLE efizfs_get_handle_by_guid(uint64_t);
bool efizfs_get_guid_by_handle(EFI_HANDLE, uint64_t *);
zfsinfo_list_t *efizfs_get_zfsinfo_list(void);
#else
#define efi_zfs_probe NULL
#endif
#endif