spl_misc.c

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    1 /*
    2  * Copyright (c) 2007 Pawel Jakub Dawidek <pjd@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 AUTHORS 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 AUTHORS 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 
   27 #include <sys/cdefs.h>
   28 __FBSDID("$FreeBSD$");
   29 
   30 #include <sys/types.h>
   31 #include <sys/param.h>
   32 #include <sys/jail.h>
   33 #include <sys/kernel.h>
   34 #include <sys/libkern.h>
   35 #include <sys/limits.h>
   36 #include <sys/misc.h>
   37 #include <sys/sysctl.h>
   38 #include <sys/vnode.h>
   39 
   40 #include <sys/zfs_context.h>
   41 
   42 static struct opensolaris_utsname hw_utsname = {
   43         .machine = MACHINE
   44 };
   45 
   46 utsname_t *
   47 utsname(void)
   48 {
   49         return (&hw_utsname);
   50 }
   51 
   52 static void
   53 opensolaris_utsname_init(void *arg)
   54 {
   55 
   56         hw_utsname.sysname = ostype;
   57         hw_utsname.nodename = prison0.pr_hostname;
   58         hw_utsname.release = osrelease;
   59         snprintf(hw_utsname.version, sizeof (hw_utsname.version),
   60             "%d", osreldate);
   61 }
   62 
   63 char *
   64 kmem_strdup(const char *s)
   65 {
   66         char *buf;
   67 
   68         buf = kmem_alloc(strlen(s) + 1, KM_SLEEP);
   69         strcpy(buf, s);
   70         return (buf);
   71 }
   72 
   73 int
   74 ddi_copyin(const void *from, void *to, size_t len, int flags)
   75 {
   76         /* Fake ioctl() issued by kernel, 'from' is a kernel address */
   77         if (flags & FKIOCTL) {
   78                 memcpy(to, from, len);
   79                 return (0);
   80         }
   81 
   82         return (copyin(from, to, len));
   83 }
   84 
   85 int
   86 ddi_copyout(const void *from, void *to, size_t len, int flags)
   87 {
   88         /* Fake ioctl() issued by kernel, 'from' is a kernel address */
   89         if (flags & FKIOCTL) {
   90                 memcpy(to, from, len);
   91                 return (0);
   92         }
   93 
   94         return (copyout(from, to, len));
   95 }
   96 
   97 void
   98 spl_panic(const char *file, const char *func, int line, const char *fmt, ...)
   99 {
  100         va_list ap;
  101 
  102         va_start(ap, fmt);
  103         vpanic(fmt, ap);
  104         va_end(ap);
  105 }
  106 
  107 
  108 SYSINIT(opensolaris_utsname_init, SI_SUB_TUNABLES, SI_ORDER_ANY,
  109     opensolaris_utsname_init, NULL);

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FreeBSD/Linux Kernel Cross Reference sys/contrib/openzfs/module/os/freebsd/spl/spl_misc.c

FreeBSD/Linux Kernel Cross Reference
sys/contrib/openzfs/module/os/freebsd/spl/spl_misc.c