freebsd-dev/sys/sys/efiio.h
Warner Losh f79d484dff Create /dev/efidev to provide an ioctl interface to
userland.  It supports userland interfaces to UEFI Runtime Services. This is
indended to the the MI portion of EFI RuntimeServices support.

Differential Revision: https://reviews.freebsd.org/D8128
Reviewed by: kib@, wblock@, Ganael Laplanche
2016-10-11 22:24:30 +00:00

60 lines
2.3 KiB
C

/*-
* Copyright (c) 2016 Netflix, Inc.
* 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
* in this position and unchanged.
* 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 ``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.
*
* $FreeBSD$
*/
#ifndef _SYS_EFIIO_H_
#define _SYS_EFIIO_H_
#include <sys/ioccom.h>
#include <sys/uuid.h>
#include <sys/efi.h>
struct efi_get_table_ioc
{
struct uuid uuid; /* UUID to look up */
void *ptr; /* Pointer to table in KVA space */
};
struct efi_var_ioc
{
efi_char *name; /* User pointer to name, in wide chars */
size_t namesize; /* Number of wide characters in name */
struct uuid vendor; /* Vendor's UUID for variable */
uint32_t attrib; /* Attributes */
void *data; /* User pointer to the data */
size_t datasize; /* Number of *bytes* in the data */
};
#define EFIIOC_GET_TABLE _IOWR('E', 1, struct efi_get_table_ioc)
#define EFIIOC_GET_TIME _IOR('E', 2, struct efi_tm)
#define EFIIOC_SET_TIME _IOW('E', 3, struct efi_tm)
#define EFIIOC_VAR_GET _IOWR('E', 4, struct efi_var_ioc)
#define EFIIOC_VAR_NEXT _IOWR('E', 5, struct efi_var_ioc)
#define EFIIOC_VAR_SET _IOWR('E', 6, struct efi_var_ioc)
#endif /* _SYS_EFIIO_H_ */