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