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 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 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