DECLVBGL(int) VbglHGCMConnect (VBGLHGCMHANDLE *pHandle, VBoxGuestHGCMConnectInfo *pData)
{
int rc;
struct VBGLHGCMHANDLEDATA *pHandleData;
if (!pHandle || !pData)
return VERR_INVALID_PARAMETER;
pHandleData = vbglHGCMHandleAlloc();
if (!pHandleData)
rc = VERR_NO_MEMORY;
else
{
rc = vbglDriverOpen (&pHandleData->driver);
if (RT_SUCCESS(rc))
{
rc = vbglDriverIOCtl (&pHandleData->driver, VBOXGUEST_IOCTL_HGCM_CONNECT, pData, sizeof (*pData));
if (RT_SUCCESS(rc))
rc = pData->result;
if (RT_SUCCESS(rc))
{
*pHandle = pHandleData;
return rc;
}
vbglDriverClose (&pHandleData->driver);
}
vbglHGCMHandleFree (pHandleData);
}
return rc;
}
/**
* Retrieve mouse coordinates and features from the host.
*
* @remarks Ring-0.
* @returns VBox status code.
*
* @param pfFeatures Where to store the mouse features.
* @param px Where to store the X co-ordinate.
* @param py Where to store the Y co-ordinate.
*/
DECLVBGL(int) VbglGetMouseStatus(uint32_t *pfFeatures, uint32_t *px,
uint32_t *py)
{
VMMDevReqMouseStatus Req;
VBGLDRIVER *pDriver;
int rc;
rc = vbglGetDriver(&pDriver);
if (RT_FAILURE(rc))
return rc;
vmmdevInitRequest(&Req.header, VMMDevReq_GetMouseStatus);
Req.mouseFeatures = 0;
Req.pointerXPos = 0;
Req.pointerYPos = 0;
rc = vbglDriverIOCtl(pDriver, VBOXGUEST_IOCTL_VMMREQUEST(sizeof(Req)),
&Req.header, sizeof(Req));
if (RT_FAILURE(rc))
return rc;
if (RT_FAILURE(Req.header.rc))
return Req.header.rc;
if (pfFeatures)
*pfFeatures = Req.mouseFeatures;
if (px)
*px = Req.pointerXPos;
if (py)
*py = Req.pointerYPos;
return VINF_SUCCESS;
}
DECLVBGL(int) VbglR0CrCtlConConnect(VBGLCRCTLHANDLE hCtl, HGCMCLIENTID *pidClient)
{
VBoxGuestHGCMConnectInfo info;
int rc;
if (!hCtl || !pidClient)
return VERR_INVALID_PARAMETER;
RT_ZERO(info);
info.Loc.type = VMMDevHGCMLoc_LocalHost_Existing;
RTStrCopy(info.Loc.u.host.achName, sizeof(info.Loc.u.host.achName), "VBoxSharedCrOpenGL");
rc = vbglDriverIOCtl(&hCtl->driver, VBOXGUEST_IOCTL_HGCM_CONNECT, &info, sizeof(info));
if (RT_SUCCESS(rc))
{
rc = info.result;
if (RT_SUCCESS(rc))
{
Assert(info.u32ClientID);
*pidClient = info.u32ClientID;
return rc;
}
}
AssertRC(rc);
*pidClient = 0;
return rc;
}
DECLVBGL(int) VbglR0CrCtlConDisconnect(VBGLCRCTLHANDLE hCtl, HGCMCLIENTID idClient)
{
VBoxGuestHGCMDisconnectInfo info;
RT_ZERO(info);
info.u32ClientID = idClient;
return vbglDriverIOCtl(&hCtl->driver, VBOXGUEST_IOCTL_HGCM_DISCONNECT, &info, sizeof(info));
}
DECLVBGL(int) vboxCrCtlConConnect(HVBOXCRCTL hCtl, uint32_t *pu32ClientID)
{
VBoxGuestHGCMConnectInfo info;
int rc;
if (!hCtl || !pu32ClientID)
return VERR_INVALID_PARAMETER;
memset(&info, 0, sizeof (info));
info.Loc.type = VMMDevHGCMLoc_LocalHost_Existing;
RTStrCopy(info.Loc.u.host.achName, sizeof (info.Loc.u.host.achName), "VBoxSharedCrOpenGL");
rc = vbglDriverIOCtl (&hCtl->driver, VBOXGUEST_IOCTL_HGCM_CONNECT, &info, sizeof (info));
if (RT_SUCCESS(rc))
{
rc = info.result;
if (RT_SUCCESS(rc))
{
Assert(info.u32ClientID);
*pu32ClientID = info.u32ClientID;
return rc;
}
}
Assert(RT_FAILURE(rc));
*pu32ClientID = 0;
return rc;
}
DECLVBGL(int) vboxCrCtlConDisconnect(HVBOXCRCTL hCtl, uint32_t u32ClientID)
{
VBoxGuestHGCMDisconnectInfo info;
memset (&info, 0, sizeof (info));
info.u32ClientID = u32ClientID;
return vbglDriverIOCtl (&hCtl->driver, VBOXGUEST_IOCTL_HGCM_DISCONNECT, &info, sizeof (info));
}
/**
* Send mouse features to the host.
*
* @remarks Ring-0.
* @returns VBox status code.
*
* @param fFeatures Supported mouse pointer features. The main guest driver
* will mediate different callers and show the host any
* feature enabled by any guest caller.
*/
DECLVBGL(int) VbglSetMouseStatus(uint32_t fFeatures)
{
VBGLDRIVER *pDriver;
int rc;
rc = vbglGetDriver(&pDriver);
if (RT_FAILURE(rc))
return rc;
return vbglDriverIOCtl(pDriver, VBOXGUEST_IOCTL_SET_MOUSE_STATUS, &fFeatures, sizeof(fFeatures));
}
DECLVBGL(int) VbglHGCMCallUserData (VBGLHGCMHANDLE handle, VBoxGuestHGCMCallInfo *pData, uint32_t cbData)
{
int rc = VINF_SUCCESS;
VBGL_HGCM_ASSERTMsg(cbData >= sizeof (VBoxGuestHGCMCallInfo) + pData->cParms * sizeof (HGCMFunctionParameter),
("cbData = %d, cParms = %d (calculated size %d)\n", cbData, pData->cParms, sizeof (VBoxGuestHGCMCallInfo) + pData->cParms * sizeof (VBoxGuestHGCMCallInfo)));
rc = vbglDriverIOCtl (&handle->driver, VBOXGUEST_IOCTL_HGCM_CALL_USERDATA(cbData), pData, cbData);
return rc;
}
/**
* Sets the function which is called back on each mouse pointer event. Only
* one callback can be active at once, so if you need several for any reason
* you must multiplex yourself. Call backs can be disabled by passing NULL
* as the function pointer.
*
* @remarks Ring-0.
* @returns iprt status code.
* @returns VERR_TRY_AGAIN if the main guest driver hasn't finished
* initialising.
*
* @param pfnNotify the function to call back. NULL to disable call backs.
* @param pvUser user supplied data/cookie to be passed to the function.
*/
DECLVBGL(int) VbglSetMouseNotifyCallback(PFNVBOXGUESTMOUSENOTIFY pfnNotify, void *pvUser)
{
VBoxGuestMouseSetNotifyCallback NotifyCallback;
VBGLDRIVER *pDriver;
int rc = vbglGetDriver(&pDriver);
if (RT_FAILURE(rc))
return rc;
NotifyCallback.pfnNotify = pfnNotify;
NotifyCallback.pvUser = pvUser;
return vbglDriverIOCtl(pDriver, VBOXGUEST_IOCTL_SET_MOUSE_NOTIFY_CALLBACK, &NotifyCallback, sizeof(NotifyCallback));
}
DECLVBGL(int) VbglHGCMDisconnect (VBGLHGCMHANDLE handle, VBoxGuestHGCMDisconnectInfo *pData)
{
int rc = VINF_SUCCESS;
rc = vbglDriverIOCtl (&handle->driver, VBOXGUEST_IOCTL_HGCM_DISCONNECT, pData, sizeof (*pData));
vbglDriverClose (&handle->driver);
vbglHGCMHandleFree (handle);
return rc;
}
DECLVBGL(int) VbglHGCMCallTimed (VBGLHGCMHANDLE handle,
VBoxGuestHGCMCallInfoTimed *pData, uint32_t cbData)
{
int rc = VINF_SUCCESS;
uint32_t cbExpected = sizeof (VBoxGuestHGCMCallInfoTimed)
+ pData->info.cParms * sizeof (HGCMFunctionParameter);
VBGL_HGCM_ASSERTMsg(cbData >= cbExpected,
("cbData = %d, cParms = %d (calculated size %d)\n",
cbData, pData->info.cParms, cbExpected));
rc = vbglDriverIOCtl (&handle->driver, VBOXGUEST_IOCTL_HGCM_CALL_TIMED(cbData),
pData, cbData);
return rc;
}
/**
* The guest library uses lazy initialization for VMMDev port and memory,
* because these values are provided by the VBoxGuest driver and it might
* be loaded later than other drivers.
*
* The VbglEnter checks the current library status, tries to retrieve these
* values and fails if they are unavailable.
*
*/
static void vbglQueryDriverInfo (void)
{
int rc = VINF_SUCCESS;
rc = RTSemMutexRequest(g_vbgldata.mutexDriverInit, RT_INDEFINITE_WAIT);
if (RT_FAILURE(rc))
return;
if (g_vbgldata.status == VbglStatusReady)
{
RTSemMutexRelease(g_vbgldata.mutexDriverInit);
return;
}
rc = vbglDriverOpen(&g_vbgldata.driver);
if (RT_SUCCESS(rc))
{
/*
* Try query the port info.
*/
VBoxGuestPortInfo port;
rc = vbglDriverIOCtl (&g_vbgldata.driver,
VBOXGUEST_IOCTL_GETVMMDEVPORT, &port,
sizeof (port));
if (RT_SUCCESS (rc))
{
dprintf (("port = 0x%04X, mem = %p\n", port.portAddress, port.pVMMDevMemory));
g_vbgldata.portVMMDev = (RTIOPORT)port.portAddress;
g_vbgldata.pVMMDevMemory = port.pVMMDevMemory;
g_vbgldata.status = VbglStatusReady;
vbglR0QueryHostVersion();
}
}
RTSemMutexRelease(g_vbgldata.mutexDriverInit);
dprintf (("vbglQueryDriverInfo rc = %d\n", rc));
}
DECLVBGL(int) VbglR0CrCtlConCallUserData(VBGLCRCTLHANDLE hCtl, struct VBoxGuestHGCMCallInfo *pCallInfo, int cbCallInfo)
{
return vbglDriverIOCtl(&hCtl->driver, VBOXGUEST_IOCTL_HGCM_CALL_USERDATA(cbCallInfo), pCallInfo, cbCallInfo);
}
DECLVBGL(int) vboxCrCtlConCall(HVBOXCRCTL hCtl, struct VBoxGuestHGCMCallInfo *pCallInfo, int cbCallInfo)
{
return vbglDriverIOCtl (&hCtl->driver, VBOXGUEST_IOCTL_HGCM_CALL(cbCallInfo), pCallInfo, cbCallInfo);
}
