freebsd-skq/stand/efi/libefi/errno.c

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/*-
* Copyright (c) 2006 Marcel Moolenaar
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <efi.h>
#include <efilib.h>
EFI_STATUS
errno_to_efi_status(int errno)
{
EFI_STATUS status;
switch (errno) {
case EPERM:
status = EFI_ACCESS_DENIED;
break;
case EOVERFLOW:
status = EFI_BUFFER_TOO_SMALL;
break;
case EIO:
status = EFI_DEVICE_ERROR;
break;
case EINVAL:
status = EFI_INVALID_PARAMETER;
break;
case ESTALE:
status = EFI_MEDIA_CHANGED;
break;
case ENXIO:
status = EFI_NO_MEDIA;
break;
case ENOENT:
status = EFI_NOT_FOUND;
break;
case ENOMEM:
status = EFI_OUT_OF_RESOURCES;
break;
case ENOTSUP:
case ENODEV:
status = EFI_UNSUPPORTED;
break;
case ENOSPC:
status = EFI_VOLUME_FULL;
break;
case EACCES:
status = EFI_WRITE_PROTECTED;
break;
case 0:
status = EFI_SUCCESS;
break;
default:
status = EFI_DEVICE_ERROR;
break;
}
return (status);
}
int
efi_status_to_errno(EFI_STATUS status)
{
int errno;
switch (status) {
case EFI_ACCESS_DENIED:
errno = EPERM;
break;
case EFI_BUFFER_TOO_SMALL:
errno = EOVERFLOW;
break;
case EFI_DEVICE_ERROR:
case EFI_VOLUME_CORRUPTED:
errno = EIO;
break;
case EFI_INVALID_PARAMETER:
errno = EINVAL;
break;
case EFI_MEDIA_CHANGED:
errno = ESTALE;
break;
case EFI_NO_MEDIA:
errno = ENXIO;
break;
case EFI_NOT_FOUND:
errno = ENOENT;
break;
case EFI_OUT_OF_RESOURCES:
errno = ENOMEM;
break;
case EFI_UNSUPPORTED:
errno = ENODEV;
break;
case EFI_VOLUME_FULL:
errno = ENOSPC;
break;
case EFI_WRITE_PROTECTED:
errno = EACCES;
break;
case 0:
errno = 0;
break;
default:
errno = EDOOFUS;
break;
}
return (errno);
}