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