freebsd-dev/sys/boot/efi/include/efilib.h
Warner Losh 194748f6a3 Cleanup efi_main return type
Make the return type of efi_main uniform. Declare the Exit() function
as not returning. Move efi_main's declaration to the proper header.

Sponsored by: Netflix
2017-08-26 18:29:37 +00:00

107 lines
3.7 KiB
C

/*-
* Copyright (c) 2000 Doug Rabson
* Copyright (c) 2006 Marcel Moolenaar
* 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.
*
* $FreeBSD$
*/
#ifndef _LOADER_EFILIB_H
#define _LOADER_EFILIB_H
#include <stand.h>
#include <sys/queue.h>
extern EFI_HANDLE IH;
extern EFI_SYSTEM_TABLE *ST;
extern EFI_BOOT_SERVICES *BS;
extern EFI_RUNTIME_SERVICES *RS;
extern struct devsw efipart_fddev;
extern struct devsw efipart_cddev;
extern struct devsw efipart_hddev;
extern struct devsw efinet_dev;
extern struct netif_driver efinetif;
/* EFI block device data, included here to help efi_zfs_probe() */
typedef STAILQ_HEAD(pdinfo_list, pdinfo) pdinfo_list_t;
typedef struct pdinfo
{
STAILQ_ENTRY(pdinfo) pd_link; /* link in device list */
pdinfo_list_t pd_part; /* link of partitions */
EFI_HANDLE pd_handle;
EFI_HANDLE pd_alias;
EFI_DEVICE_PATH *pd_devpath;
EFI_BLOCK_IO *pd_blkio;
int pd_unit; /* unit number */
int pd_open; /* reference counter */
void *pd_bcache; /* buffer cache data */
} pdinfo_t;
pdinfo_list_t *efiblk_get_pdinfo_list(struct devsw *dev);
void *efi_get_table(EFI_GUID *tbl);
int efi_getdev(void **vdev, const char *devspec, const char **path);
char *efi_fmtdev(void *vdev);
int efi_setcurrdev(struct env_var *ev, int flags, const void *value);
int efi_register_handles(struct devsw *, EFI_HANDLE *, EFI_HANDLE *, int);
EFI_HANDLE efi_find_handle(struct devsw *, int);
int efi_handle_lookup(EFI_HANDLE, struct devsw **, int *, uint64_t *);
int efi_handle_update_dev(EFI_HANDLE, struct devsw *, int, uint64_t);
EFI_DEVICE_PATH *efi_lookup_image_devpath(EFI_HANDLE);
EFI_DEVICE_PATH *efi_lookup_devpath(EFI_HANDLE);
EFI_HANDLE efi_devpath_handle(EFI_DEVICE_PATH *);
EFI_DEVICE_PATH *efi_devpath_last_node(EFI_DEVICE_PATH *);
EFI_DEVICE_PATH *efi_devpath_trim(EFI_DEVICE_PATH *);
int efi_devpath_match(EFI_DEVICE_PATH *, EFI_DEVICE_PATH *);
CHAR16 *efi_devpath_name(EFI_DEVICE_PATH *);
void efi_free_devpath_name(CHAR16 *);
int efi_status_to_errno(EFI_STATUS);
EFI_STATUS errno_to_efi_status(int errno);
void efi_time_init(void);
void efi_time_fini(void);
EFI_STATUS efi_main(EFI_HANDLE Ximage, EFI_SYSTEM_TABLE* Xsystab);
EFI_STATUS main(int argc, CHAR16 *argv[]);
void exit(EFI_STATUS status) __dead2;
void delay(int usecs);
/* EFI environment initialization. */
void efi_init_environment(void);
/* CHAR16 utility functions. */
int wcscmp(CHAR16 *, CHAR16 *);
void cpy8to16(const char *, CHAR16 *, size_t);
void cpy16to8(const CHAR16 *, char *, size_t);
#endif /* _LOADER_EFILIB_H */