freebsd-skq/sys/xen/error.h
royger 52dfa92386 xen: rewrite Xen error translation
Using the public Xen error code header.

Submitted by:	Akshay Jaggi <akshay1994.leo@gmail.com>
Reviewed by:	royger
2016-06-02 07:45:01 +00:00

102 lines
3.0 KiB
C

/*-
* Copyright (c) 2014 Roger Pau Monné <royger@FreeBSD.org>.
* 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 AND CONTRIBUTORS 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 OR CONTRIBUTORS 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.
*
* $FreeBSD$
*/
#ifndef __XEN_ERROR_H__
#define __XEN_ERROR_H__
#include <xen/interface/errno.h>
/* Translation table */
static int xen_errors[] =
{
[XEN_EPERM] = EPERM,
[XEN_ENOENT] = ENOENT,
[XEN_ESRCH] = ESRCH,
[XEN_EIO] = EIO,
[XEN_ENXIO] = ENXIO,
[XEN_E2BIG] = E2BIG,
[XEN_ENOEXEC] = ENOEXEC,
[XEN_EBADF] = EBADF,
[XEN_ECHILD] = ECHILD,
[XEN_EAGAIN] = EAGAIN,
[XEN_ENOMEM] = ENOMEM,
[XEN_EACCES] = EACCES,
[XEN_EFAULT] = EFAULT,
[XEN_EBUSY] = EBUSY,
[XEN_EEXIST] = EEXIST,
[XEN_EXDEV] = EXDEV,
[XEN_ENODEV] = ENODEV,
[XEN_EINVAL] = EINVAL,
[XEN_ENFILE] = ENFILE,
[XEN_EMFILE] = EMFILE,
[XEN_ENOSPC] = ENOSPC,
[XEN_EMLINK] = EMLINK,
[XEN_EDOM] = EDOM,
[XEN_ERANGE] = ERANGE,
[XEN_EDEADLK] = EDEADLK,
[XEN_ENAMETOOLONG] = ENAMETOOLONG,
[XEN_ENOLCK] = ENOLCK,
[XEN_ENOSYS] = ENOSYS,
[XEN_ENODATA] = ENOENT,
[XEN_ETIME] = ETIMEDOUT,
[XEN_EBADMSG] = EBADMSG,
[XEN_EOVERFLOW] = EOVERFLOW,
[XEN_EILSEQ] = EILSEQ,
[XEN_ENOTSOCK] = ENOTSOCK,
[XEN_EOPNOTSUPP] = EOPNOTSUPP,
[XEN_EADDRINUSE] = EADDRINUSE,
[XEN_EADDRNOTAVAIL] = EADDRNOTAVAIL,
[XEN_ENOBUFS] = ENOBUFS,
[XEN_EISCONN] = EISCONN,
[XEN_ENOTCONN] = ENOTCONN,
[XEN_ETIMEDOUT] = ETIMEDOUT,
};
static inline int
xen_translate_error(int error)
{
int bsd_error;
KASSERT((error < 0), ("Value is not a valid Xen error code"));
if (-error >= nitems(xen_errors)) {
/*
* We received an error value that cannot be translated,
* return EINVAL.
*/
return (EINVAL);
}
bsd_error = xen_errors[-error];
KASSERT((bsd_error != 0), ("Unknown Xen error code"));
return (bsd_error);
}
#endif /* !__XEN_ERROR_H__ */