| 1 | /** @file
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| 2 | *
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| 3 | */
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| 4 |
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| 5 | /*
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| 6 | * Copyright (C) 2006 InnoTek Systemberatung GmbH
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| 7 | *
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| 8 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 9 | * available from http://www.virtualbox.org. This file is free software;
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| 10 | * you can redistribute it and/or modify it under the terms of the GNU
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| 11 | * General Public License as published by the Free Software Foundation,
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| 12 | * in version 2 as it comes in the "COPYING" file of the VirtualBox OSE
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| 13 | * distribution. VirtualBox OSE is distributed in the hope that it will
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| 14 | * be useful, but WITHOUT ANY WARRANTY of any kind.
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| 15 | *
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| 16 | * If you received this file as part of a commercial VirtualBox
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| 17 | * distribution, then only the terms of your commercial VirtualBox
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| 18 | * license agreement apply instead of the previous paragraph.
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| 19 | */
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| 20 |
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| 21 | #include "the-linux-kernel.h"
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| 22 | #include "vboxmod.h"
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| 23 |
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| 24 | /**
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| 25 | * HGCM
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| 26 | *
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| 27 | */
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| 28 | static DECLVBGL(void)
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| 29 | vboxadd_hgcm_callback (VMMDevHGCMRequestHeader *pHeader, void *pvData, uint32_t u32Data)
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| 30 | {
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| 31 | VBoxDevice *dev = pvData;
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| 32 | wait_event (dev->eventq, pHeader->fu32Flags & VBOX_HGCM_REQ_DONE);
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| 33 | }
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| 34 |
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| 35 | static int vboxadd_hgcm_connect (VBoxDevice *dev, VBoxGuestHGCMConnectInfo *info)
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| 36 | {
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| 37 | return VbglHGCMConnect (info, vboxadd_hgcm_callback, dev, 0);
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| 38 | }
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| 39 |
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| 40 | static int vboxadd_hgcm_disconnect (VBoxDevice *dev, VBoxGuestHGCMDisconnectInfo *info)
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| 41 | {
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| 42 | return VbglHGCMDisconnect (info, vboxadd_hgcm_callback, dev, 0);
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| 43 | }
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| 44 |
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| 45 | static int vboxadd_hgcm_call (VBoxDevice *dev, VBoxGuestHGCMCallInfo *info)
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| 46 | {
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| 47 | return VbglHGCMCall (info, vboxadd_hgcm_callback, dev, 0);
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| 48 | }
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| 49 |
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| 50 | DECLVBGL (int) vboxadd_cmc_call (void *opaque, uint32_t func, void *data)
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| 51 | {
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| 52 | switch (func)
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| 53 | {
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| 54 | case IOCTL_VBOXGUEST_HGCM_CONNECT:
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| 55 | return vboxadd_hgcm_connect (opaque, data);
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| 56 |
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| 57 | case IOCTL_VBOXGUEST_HGCM_DISCONNECT:
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| 58 | return vboxadd_hgcm_disconnect (opaque, data);
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| 59 |
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| 60 | case IOCTL_VBOXGUEST_HGCM_CALL:
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| 61 | return vboxadd_hgcm_call (opaque, data);
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| 62 |
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| 63 | default:
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| 64 | return VERR_VBGL_IOCTL_FAILED;
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| 65 | }
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| 66 | }
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| 67 |
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| 68 | int vboxadd_cmc_init (void)
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| 69 | {
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| 70 | return 0;
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| 71 | }
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| 72 |
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| 73 | void vboxadd_cmc_fini (void)
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| 74 | {
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| 75 | }
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| 76 |
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| 77 | DECLVBGL (int)
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| 78 | vboxadd_cmc_ctl_guest_filter_mask (uint32_t or_mask, uint32_t not_mask)
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| 79 | {
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| 80 | int rc;
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| 81 | VMMDevCtlGuestFilterMask *req;
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| 82 |
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| 83 | rc = VbglGRAlloc ((VMMDevRequestHeader**) &req, sizeof (*req),
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| 84 | VMMDevReq_CtlGuestFilterMask);
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| 85 |
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| 86 | if (VBOX_FAILURE (rc))
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| 87 | {
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| 88 | elog ("VbglGRAlloc (CtlGuestFilterMask) failed rc=%d\n", rc);
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| 89 | return -1;
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| 90 | }
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| 91 |
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| 92 | req->u32OrMask = or_mask;
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| 93 | req->u32NotMask = not_mask;
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| 94 |
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| 95 | rc = VbglGRPerform (&req->header);
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| 96 | VbglGRFree (&req->header);
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| 97 | if (VBOX_FAILURE (rc))
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| 98 | {
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| 99 | elog ("VbglGRPerform (CtlGuestFilterMask) failed rc=%d\n", rc);
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| 100 | return -1;
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| 101 | }
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| 102 | return 0;
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| 103 | }
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| 104 |
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| 105 | EXPORT_SYMBOL (vboxadd_cmc_call);
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| 106 | EXPORT_SYMBOL (vboxadd_cmc_ctl_guest_filter_mask);
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