1 /*-
2 * Copyright (c) 2006 Marcel Moolenaar
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 *
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
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
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
29
30 #include <efi.h>
31 #include <efilib.h>
32
33 EFI_STATUS
errno_to_efi_status(int errno)34 errno_to_efi_status(int errno)
35 {
36 EFI_STATUS status;
37
38 switch (errno) {
39 case EPERM:
40 status = EFI_ACCESS_DENIED;
41 break;
42
43 case EOVERFLOW:
44 status = EFI_BUFFER_TOO_SMALL;
45 break;
46
47 case EIO:
48 status = EFI_DEVICE_ERROR;
49 break;
50
51 case EINVAL:
52 status = EFI_INVALID_PARAMETER;
53 break;
54
55 case ESTALE:
56 status = EFI_MEDIA_CHANGED;
57 break;
58
59 case ENXIO:
60 status = EFI_NO_MEDIA;
61 break;
62
63 case ENOENT:
64 status = EFI_NOT_FOUND;
65 break;
66
67 case ENOMEM:
68 status = EFI_OUT_OF_RESOURCES;
69 break;
70
71 case ENOTSUP:
72 case ENODEV:
73 status = EFI_UNSUPPORTED;
74 break;
75
76 case ENOSPC:
77 status = EFI_VOLUME_FULL;
78 break;
79
80 case EACCES:
81 status = EFI_WRITE_PROTECTED;
82 break;
83
84 case 0:
85 status = EFI_SUCCESS;
86 break;
87
88 default:
89 status = EFI_DEVICE_ERROR;
90 break;
91 }
92
93 return (status);
94 }
95
96 int
efi_status_to_errno(EFI_STATUS status)97 efi_status_to_errno(EFI_STATUS status)
98 {
99 int errno;
100
101 switch (status) {
102 case EFI_ACCESS_DENIED:
103 errno = EPERM;
104 break;
105
106 case EFI_BUFFER_TOO_SMALL:
107 errno = EOVERFLOW;
108 break;
109
110 case EFI_DEVICE_ERROR:
111 case EFI_VOLUME_CORRUPTED:
112 errno = EIO;
113 break;
114
115 case EFI_INVALID_PARAMETER:
116 errno = EINVAL;
117 break;
118
119 case EFI_MEDIA_CHANGED:
120 errno = ESTALE;
121 break;
122
123 case EFI_NO_MEDIA:
124 errno = ENXIO;
125 break;
126
127 case EFI_NOT_FOUND:
128 errno = ENOENT;
129 break;
130
131 case EFI_OUT_OF_RESOURCES:
132 errno = ENOMEM;
133 break;
134
135 case EFI_UNSUPPORTED:
136 errno = ENODEV;
137 break;
138
139 case EFI_VOLUME_FULL:
140 errno = ENOSPC;
141 break;
142
143 case EFI_WRITE_PROTECTED:
144 errno = EACCES;
145 break;
146
147 case 0:
148 errno = 0;
149 break;
150
151 default:
152 errno = EDOOFUS;
153 break;
154 }
155
156 return (errno);
157 }
158