bsd/tests/pmap_test_sysctl.c

   1 /*
   2  * Copyright (c) 2016 Apple Inc. All rights reserved.
   3  *
   4  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. The rights granted to you under the License
  10  * may not be used to create, or enable the creation or redistribution of,
  11  * unlawful or unlicensed copies of an Apple operating system, or to
  12  * circumvent, violate, or enable the circumvention or violation of, any
  13  * terms of an Apple operating system software license agreement.
  14  *
  15  * Please obtain a copy of the License at
  16  * http://www.opensource.apple.com/apsl/ and read it before using this file.
  17  *
  18  * The Original Code and all software distributed under the License are
  19  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  20  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  21  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  22  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  23  * Please see the License for the specific language governing rights and
  24  * limitations under the License.
  25  *
  26  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  27  */
  28
  29 #include <sys/sysctl.h>
  30
  31 extern kern_return_t test_pmap_enter_disconnect(unsigned int);
  32 extern kern_return_t test_pmap_iommu_disconnect(void);
  33
  34 static int
  35 sysctl_test_pmap_enter_disconnect(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
  36 {
  37         unsigned int num_loops;
  38         int error, changed;
  39         error = sysctl_io_number(req, 0, sizeof(num_loops), &num_loops, &changed);
  40         if (error || !changed) {
  41                 return error;
  42         }
  43         return test_pmap_enter_disconnect(num_loops);
  44 }
  45
  46 SYSCTL_PROC(_kern, OID_AUTO, pmap_enter_disconnect_test,
  47     CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_LOCKED,
  48     0, 0, sysctl_test_pmap_enter_disconnect, "I", "");
  49
  50 static int
  51 sysctl_test_pmap_iommu_disconnect(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
  52 {
  53         unsigned int run = 0;
  54         int error, changed;
  55         error = sysctl_io_number(req, 0, sizeof(run), &run, &changed);
  56         if (error || !changed) {
  57                 return error;
  58         }
  59         return test_pmap_iommu_disconnect();
  60 }
  61
  62 SYSCTL_PROC(_kern, OID_AUTO, pmap_iommu_disconnect_test,
  63     CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_LOCKED,
  64     0, 0, sysctl_test_pmap_iommu_disconnect, "I", "");