FreeBSD/Linux Kernel Cross Reference
sys/sys/efiio.h
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 #define EFIIOC_GET_TABLE _IOWR('E', 1, struct efi_get_table_ioc)
54 #define EFIIOC_GET_TIME _IOR('E', 2, struct efi_tm)
55 #define EFIIOC_SET_TIME _IOW('E', 3, struct efi_tm)
56 #define EFIIOC_VAR_GET _IOWR('E', 4, struct efi_var_ioc)
57 #define EFIIOC_VAR_NEXT _IOWR('E', 5, struct efi_var_ioc)
58 #define EFIIOC_VAR_SET _IOWR('E', 6, struct efi_var_ioc)
59
60 #endif /* _SYS_EFIIO_H_ */
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