The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/xen/error.h

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    1 /*-
    2  * Copyright (c) 2014 Roger Pau Monné <royger@FreeBSD.org>.
    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  * 1. Redistributions of source code must retain the above copyright
    9  *    notice, this list of conditions and the following disclaimer.
   10  * 2. Redistributions in binary form must reproduce the above copyright
   11  *    notice, this list of conditions and the following disclaimer in the
   12  *    documentation and/or other materials provided with the distribution.
   13  *
   14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS AS IS'' AND
   15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   24  * SUCH DAMAGE.
   25  *
   26  * $FreeBSD: stable/12/sys/xen/error.h 301195 2016-06-02 07:45:01Z royger $
   27  */
   28 
   29 #ifndef __XEN_ERROR_H__
   30 #define __XEN_ERROR_H__
   31 
   32 #include <xen/interface/errno.h>
   33 
   34 /* Translation table */
   35 static int xen_errors[] =
   36 {
   37         [XEN_EPERM]             = EPERM,
   38         [XEN_ENOENT]            = ENOENT,
   39         [XEN_ESRCH]             = ESRCH,
   40         [XEN_EIO]               = EIO,
   41         [XEN_ENXIO]             = ENXIO,
   42         [XEN_E2BIG]             = E2BIG,
   43         [XEN_ENOEXEC]           = ENOEXEC,
   44         [XEN_EBADF]             = EBADF,
   45         [XEN_ECHILD]            = ECHILD,
   46         [XEN_EAGAIN]            = EAGAIN,
   47         [XEN_ENOMEM]            = ENOMEM,
   48         [XEN_EACCES]            = EACCES,
   49         [XEN_EFAULT]            = EFAULT,
   50         [XEN_EBUSY]             = EBUSY,
   51         [XEN_EEXIST]            = EEXIST,
   52         [XEN_EXDEV]             = EXDEV,
   53         [XEN_ENODEV]            = ENODEV,
   54         [XEN_EINVAL]            = EINVAL,
   55         [XEN_ENFILE]            = ENFILE,
   56         [XEN_EMFILE]            = EMFILE,
   57         [XEN_ENOSPC]            = ENOSPC,
   58         [XEN_EMLINK]            = EMLINK,
   59         [XEN_EDOM]              = EDOM,
   60         [XEN_ERANGE]            = ERANGE,
   61         [XEN_EDEADLK]           = EDEADLK,
   62         [XEN_ENAMETOOLONG]      = ENAMETOOLONG,
   63         [XEN_ENOLCK]            = ENOLCK,
   64         [XEN_ENOSYS]            = ENOSYS,
   65         [XEN_ENODATA]           = ENOENT,
   66         [XEN_ETIME]             = ETIMEDOUT,
   67         [XEN_EBADMSG]           = EBADMSG,
   68         [XEN_EOVERFLOW]         = EOVERFLOW,
   69         [XEN_EILSEQ]            = EILSEQ,
   70         [XEN_ENOTSOCK]          = ENOTSOCK,
   71         [XEN_EOPNOTSUPP]        = EOPNOTSUPP,
   72         [XEN_EADDRINUSE]        = EADDRINUSE,
   73         [XEN_EADDRNOTAVAIL]     = EADDRNOTAVAIL,
   74         [XEN_ENOBUFS]           = ENOBUFS,
   75         [XEN_EISCONN]           = EISCONN,
   76         [XEN_ENOTCONN]          = ENOTCONN,
   77         [XEN_ETIMEDOUT]         = ETIMEDOUT,
   78 };
   79 
   80 static inline int
   81 xen_translate_error(int error)
   82 {
   83         int bsd_error;
   84 
   85         KASSERT((error < 0), ("Value is not a valid Xen error code"));
   86 
   87         if (-error >= nitems(xen_errors)) {
   88                 /*
   89                  * We received an error value that cannot be translated,
   90                  * return EINVAL.
   91                  */
   92                 return (EINVAL);
   93         }
   94 
   95         bsd_error = xen_errors[-error];
   96         KASSERT((bsd_error != 0), ("Unknown Xen error code"));
   97 
   98         return (bsd_error);
   99 }
  100 
  101 #endif /* !__XEN_ERROR_H__ */

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