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


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]

FreeBSD/Linux Kernel Cross Reference
sys/dev/mfi/mfi_linux.c

Version: -  FREEBSD  -  FREEBSD-13-STABLE  -  FREEBSD-13-0  -  FREEBSD-12-STABLE  -  FREEBSD-12-0  -  FREEBSD-11-STABLE  -  FREEBSD-11-0  -  FREEBSD-10-STABLE  -  FREEBSD-10-0  -  FREEBSD-9-STABLE  -  FREEBSD-9-0  -  FREEBSD-8-STABLE  -  FREEBSD-8-0  -  FREEBSD-7-STABLE  -  FREEBSD-7-0  -  FREEBSD-6-STABLE  -  FREEBSD-6-0  -  FREEBSD-5-STABLE  -  FREEBSD-5-0  -  FREEBSD-4-STABLE  -  FREEBSD-3-STABLE  -  FREEBSD22  -  l41  -  OPENBSD  -  linux-2.6  -  MK84  -  PLAN9  -  xnu-8792 
SearchContext: -  none  -  3  -  10 

    1 /*-
    2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
    3  *
    4  * Copyright (c) 2006 IronPort Systems
    5  * All rights reserved.
    6  *
    7  * Redistribution and use in source and binary forms, with or without
    8  * modification, are permitted provided that the following conditions
    9  * are met:
   10  * 1. Redistributions of source code must retain the above copyright
   11  *    notice, this list of conditions and the following disclaimer.
   12  * 2. Redistributions in binary form must reproduce the above copyright
   13  *    notice, this list of conditions and the following disclaimer in the
   14  *    documentation and/or other materials provided with the distribution.
   15  *
   16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   26  * SUCH DAMAGE.
   27  */
   28 
   29 #include <sys/cdefs.h>
   30 __FBSDID("$FreeBSD$");
   31 
   32 #include <sys/param.h>
   33 #include <sys/systm.h>
   34 #include <sys/capsicum.h>
   35 #include <sys/conf.h>
   36 #include <sys/kernel.h>
   37 #include <sys/module.h>
   38 #include <sys/file.h>
   39 #include <sys/proc.h>
   40 #include <machine/bus.h>
   41 
   42 #if defined(__amd64__) /* Assume amd64 wants 32 bit Linux */
   43 #include <machine/../linux32/linux.h>
   44 #include <machine/../linux32/linux32_proto.h>
   45 #else
   46 #include <machine/../linux/linux.h>
   47 #include <machine/../linux/linux_proto.h>
   48 #endif
   49 #include <compat/linux/linux_ioctl.h>
   50 #include <compat/linux/linux_util.h>
   51 
   52 #include <dev/mfi/mfireg.h>
   53 #include <dev/mfi/mfi_ioctl.h>
   54 
   55 /* There are multiple ioctl number ranges that need to be handled */
   56 #define MFI_LINUX_IOCTL_MIN  0x4d00
   57 #define MFI_LINUX_IOCTL_MAX  0x4d04
   58 
   59 static linux_ioctl_function_t mfi_linux_ioctl;
   60 static struct linux_ioctl_handler mfi_linux_handler = {mfi_linux_ioctl,
   61                                                        MFI_LINUX_IOCTL_MIN,
   62                                                        MFI_LINUX_IOCTL_MAX};
   63 
   64 SYSINIT  (mfi_register,   SI_SUB_KLD, SI_ORDER_MIDDLE,
   65           linux_ioctl_register_handler, &mfi_linux_handler);
   66 SYSUNINIT(mfi_unregister, SI_SUB_KLD, SI_ORDER_MIDDLE,
   67           linux_ioctl_unregister_handler, &mfi_linux_handler);
   68 
   69 static struct linux_device_handler mfi_device_handler =
   70         { "mfi", "megaraid_sas", "mfi0", "megaraid_sas_ioctl_node", -1, 0, 1};
   71 
   72 SYSINIT  (mfi_register2,   SI_SUB_KLD, SI_ORDER_MIDDLE,
   73           linux_device_register_handler, &mfi_device_handler);
   74 SYSUNINIT(mfi_unregister2, SI_SUB_KLD, SI_ORDER_MIDDLE,
   75           linux_device_unregister_handler, &mfi_device_handler);
   76 
   77 static int
   78 mfi_linux_modevent(module_t mod, int cmd, void *data)
   79 {
   80         return (0);
   81 }
   82 
   83 DEV_MODULE(mfi_linux, mfi_linux_modevent, NULL);
   84 MODULE_DEPEND(mfi, linux, 1, 1, 1);
   85 
   86 static int
   87 mfi_linux_ioctl(struct thread *p, struct linux_ioctl_args *args)
   88 {
   89         cap_rights_t rights;
   90         struct file *fp;
   91         int error;
   92         u_long cmd = args->cmd;
   93 
   94         switch (cmd) {
   95         case MFI_LINUX_CMD:
   96                 cmd = MFI_LINUX_CMD_2;
   97                 break;
   98         case MFI_LINUX_SET_AEN:
   99                 cmd = MFI_LINUX_SET_AEN_2;
  100                 break;
  101         }
  102 
  103         error = fget(p, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp);
  104         if (error != 0)
  105                 return (error);
  106         error = fo_ioctl(fp, cmd, (caddr_t)args->arg, p->td_ucred, p);
  107         fdrop(fp, p);
  108         return (error);
  109 }

Cache object: 014efc3ccfda8400c7abe51b0d0b7a76


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]


This page is part of the FreeBSD/Linux Linux Kernel Cross-Reference, and was automatically generated using a modified version of the LXR engine.