xref: /dragonfly/sys/sys/efiio.h (revision 71990c18)
1 /*-
2  * Copyright (c) 2016 Netflix, Inc.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer
10  *    in this position and unchanged.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25  *
26  * $FreeBSD: head/sys/sys/efiio.h 307070 2016-10-11 22:24:30Z imp $
27  */
28 
29 #ifndef	_SYS_EFIIO_H_
30 #define	_SYS_EFIIO_H_
31 
32 #include <sys/ioccom.h>
33 #include <sys/uuid.h>
34 #include <sys/efi.h>
35 
36 struct efi_get_table_ioc
37 {
38 	struct uuid uuid;	/* UUID to look up */
39 	void *ptr;		/* Pointer to table in KVA space */
40 };
41 
42 struct efi_var_ioc
43 {
44 	efi_char *name;		/* User pointer to name, in wide chars */
45 	size_t namesize;	/* Number of wide characters in name */
46 	struct uuid vendor;	/* Vendor's UUID for variable */
47 	uint32_t attrib;	/* Attributes */
48 	void *data;		/* User pointer to the data */
49 	size_t datasize;	/* Number of *bytes* in the data */
50 };
51 
52 #define EFIIOC_GET_TABLE	_IOWR('E',  1, struct efi_get_table_ioc)
53 #define EFIIOC_GET_TIME		_IOR('E',   2, struct efi_tm)
54 #define EFIIOC_SET_TIME		_IOW('E',   3, struct efi_tm)
55 #define EFIIOC_VAR_GET		_IOWR('E',  4, struct efi_var_ioc)
56 #define EFIIOC_VAR_NEXT		_IOWR('E',  5, struct efi_var_ioc)
57 #define EFIIOC_VAR_SET		_IOWR('E',  6, struct efi_var_ioc)
58 
59 #endif /* _SYS_EFIIO_H_ */
60