xref: /freebsd/sys/sys/efiio.h (revision d411c1d6)
1 /*-
2  * Copyright (c) 2016 Netflix, Inc.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
7  * 1. Redistributions of source code must retain the above copyright
8  *    notice, this list of conditions and the following disclaimer
9  *    in this position and unchanged.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
15  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
18  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
20  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
21  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24  *
25  * $FreeBSD$
26  */
27 
28 #ifndef	_SYS_EFIIO_H_
29 #define	_SYS_EFIIO_H_
30 
31 #include <sys/ioccom.h>
32 #include <sys/uuid.h>
33 #include <sys/efi.h>
34 
35 struct efi_get_table_ioc
36 {
37 	void *buf;		/* Pointer to userspace buffer */
38 	struct uuid uuid;	/* UUID to look up */
39 	size_t table_len;	/* Table size */
40 	size_t buf_len;		/* Size of the buffer */
41 };
42 
43 struct efi_var_ioc
44 {
45 	efi_char *name;		/* User pointer to name, in wide chars */
46 	size_t namesize;	/* Number of wide characters in name */
47 	struct uuid vendor;	/* Vendor's UUID for variable */
48 	uint32_t attrib;	/* Attributes */
49 	void *data;		/* User pointer to the data */
50 	size_t datasize;	/* Number of *bytes* in the data */
51 };
52 
53 struct efi_waketime_ioc
54 {
55 	struct efi_tm	waketime;
56 	uint8_t		enabled;
57 	uint8_t		pending;
58 };
59 
60 #define EFIIOC_GET_TABLE	_IOWR('E',  1, struct efi_get_table_ioc)
61 #define EFIIOC_GET_TIME		_IOR('E',   2, struct efi_tm)
62 #define EFIIOC_SET_TIME		_IOW('E',   3, struct efi_tm)
63 #define EFIIOC_VAR_GET		_IOWR('E',  4, struct efi_var_ioc)
64 #define EFIIOC_VAR_NEXT		_IOWR('E',  5, struct efi_var_ioc)
65 #define EFIIOC_VAR_SET		_IOWR('E',  6, struct efi_var_ioc)
66 #define EFIIOC_GET_WAKETIME	_IOR('E',   7, struct efi_waketime_ioc)
67 #define EFIIOC_SET_WAKETIME	_IOW('E',   8, struct efi_waketime_ioc)
68 
69 #endif /* _SYS_EFIIO_H_ */
70