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