VirtualBox

source: vbox/trunk/src/VBox/Additions/linux/module/cmc.c@ 7166

Last change on this file since 7166 was 5999, checked in by vboxsync, 17 years ago

The Giant CDDL Dual-License Header Change.

  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 2.2 KB
Line 
1/** @file
2 *
3 */
4
5/*
6 * Copyright (C) 2006-2007 innotek GmbH
7 *
8 * This file is part of VirtualBox Open Source Edition (OSE), as
9 * available from http://www.virtualbox.org. This file is free software;
10 * you can redistribute it and/or modify it under the terms of the GNU
11 * General Public License (GPL) as published by the Free Software
12 * Foundation, in version 2 as it comes in the "COPYING" file of the
13 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
14 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
15 */
16
17#include "the-linux-kernel.h"
18#include "vboxmod.h"
19
20/**
21 * HGCM
22 *
23 */
24static DECLVBGL(void)
25vboxadd_hgcm_callback (VMMDevHGCMRequestHeader *pHeader, void *pvData, uint32_t u32Data)
26{
27 VBoxDevice *dev = pvData;
28 wait_event (dev->eventq, pHeader->fu32Flags & VBOX_HGCM_REQ_DONE);
29}
30
31DECLVBGL (int) vboxadd_cmc_call (void *opaque, uint32_t func, void *data)
32{
33 switch (func)
34 {
35 case IOCTL_VBOXGUEST_HGCM_CONNECT:
36 return VbglHGCMConnect (data, vboxadd_hgcm_callback, opaque, 0);
37
38 case IOCTL_VBOXGUEST_HGCM_DISCONNECT:
39 return VbglHGCMDisconnect (data, vboxadd_hgcm_callback, opaque, 0);
40
41 case IOCTL_VBOXGUEST_HGCM_CALL:
42 return VbglHGCMCall (data, vboxadd_hgcm_callback, opaque, 0);
43
44 default:
45 return VERR_VBGL_IOCTL_FAILED;
46 }
47}
48
49int vboxadd_cmc_init (void)
50{
51 return 0;
52}
53
54void vboxadd_cmc_fini (void)
55{
56}
57
58DECLVBGL (int)
59vboxadd_cmc_ctl_guest_filter_mask (uint32_t or_mask, uint32_t not_mask)
60{
61 int rc;
62 VMMDevCtlGuestFilterMask *req;
63
64 rc = VbglGRAlloc ((VMMDevRequestHeader**) &req, sizeof (*req),
65 VMMDevReq_CtlGuestFilterMask);
66
67 if (VBOX_FAILURE (rc))
68 {
69 elog ("VbglGRAlloc (CtlGuestFilterMask) failed rc=%d\n", rc);
70 return -1;
71 }
72
73 req->u32OrMask = or_mask;
74 req->u32NotMask = not_mask;
75
76 rc = VbglGRPerform (&req->header);
77 VbglGRFree (&req->header);
78 if (VBOX_FAILURE (rc))
79 {
80 elog ("VbglGRPerform (CtlGuestFilterMask) failed rc=%d\n", rc);
81 return -1;
82 }
83 return 0;
84}
85
86EXPORT_SYMBOL (vboxadd_cmc_call);
87EXPORT_SYMBOL (vboxadd_cmc_ctl_guest_filter_mask);
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