int VBoxDispMPVHWAQueryInfo(HANDLE hDriver, VHWAQUERYINFO *pInfo)
{
DWORD dwrc;
ULONG cbReturned;
LOGF_ENTER();
memset(pInfo, 0, sizeof(VHWAQUERYINFO));
dwrc = EngDeviceIoControl(hDriver, IOCTL_VIDEO_VHWA_QUERY_INFO, NULL, 0,
pInfo, sizeof(VHWAQUERYINFO), &cbReturned);
VBOX_CHECK_WINERR_RETRC(dwrc, VERR_DEV_IO_ERROR);
VBOX_WARN_IOCTLCB_RETRC("IOCTL_VIDEO_VHWA_QUERY_INFO", cbReturned, sizeof(VHWAQUERYINFO), VERR_DEV_IO_ERROR);
LOGF_LEAVE();
return VINF_SUCCESS;
}
int VBoxDispMPShareVideoMemory(HANDLE hDriver, PVIDEO_SHARE_MEMORY pSMem, PVIDEO_SHARE_MEMORY_INFORMATION pSMemInfo)
{
DWORD dwrc;
ULONG cbReturned;
LOGF_ENTER();
dwrc = EngDeviceIoControl(hDriver, IOCTL_VIDEO_SHARE_VIDEO_MEMORY, pSMem, sizeof(VIDEO_SHARE_MEMORY),
pSMemInfo, sizeof(VIDEO_SHARE_MEMORY_INFORMATION), &cbReturned);
VBOX_CHECK_WINERR_RETRC(dwrc, VERR_DEV_IO_ERROR);
VBOX_WARN_IOCTLCB_RETRC("IOCTL_VIDEO_SHARE_VIDEO_MEMORY", cbReturned,
sizeof(VIDEO_SHARE_MEMORY_INFORMATION), VERR_DEV_IO_ERROR);
LOGF_LEAVE();
return VINF_SUCCESS;
}
int VBoxDispMPHGSMIQueryPortProcs(HANDLE hDriver, HGSMIQUERYCPORTPROCS *pPortProcs)
{
DWORD dwrc;
ULONG cbReturned;
LOGF_ENTER();
memset(pPortProcs, 0, sizeof(HGSMIQUERYCPORTPROCS));
dwrc = EngDeviceIoControl(hDriver, IOCTL_VIDEO_HGSMI_QUERY_PORTPROCS, NULL, 0,
pPortProcs, sizeof(HGSMIQUERYCPORTPROCS), &cbReturned);
VBOX_CHECK_WINERR_RETRC(dwrc, VERR_DEV_IO_ERROR);
VBOX_WARN_IOCTLCB_RETRC("IOCTL_VIDEO_HGSMI_QUERY_PORTPROCS", cbReturned, sizeof(HGSMIQUERYCPORTPROCS), VERR_DEV_IO_ERROR);
LOGF_LEAVE();
return VINF_SUCCESS;
}
int VBoxDispMPQueryHGSMICallbacks(HANDLE hDriver, HGSMIQUERYCALLBACKS *pCallbacks)
{
DWORD dwrc;
ULONG cbReturned;
LOGF_ENTER();
memset(pCallbacks, 0, sizeof(HGSMIQUERYCALLBACKS));
dwrc = EngDeviceIoControl(hDriver, IOCTL_VIDEO_HGSMI_QUERY_CALLBACKS, NULL, 0,
pCallbacks, sizeof(HGSMIQUERYCALLBACKS), &cbReturned);
VBOX_CHECK_WINERR_RETRC(dwrc, VERR_DEV_IO_ERROR);
VBOX_WARN_IOCTLCB_RETRC("IOCTL_VIDEO_HGSMI_QUERY_CALLBACKS", cbReturned, sizeof(HGSMIQUERYCALLBACKS), VERR_DEV_IO_ERROR);
LOGF_LEAVE();
return VINF_SUCCESS;
}
/* Query miniport for mouse pointer caps */
int VBoxDispMPGetPointerCaps(HANDLE hDriver, PVIDEO_POINTER_CAPABILITIES pCaps)
{
DWORD dwrc;
ULONG cbReturned;
LOGF_ENTER();
memset(pCaps, 0, sizeof(VIDEO_POINTER_CAPABILITIES));
dwrc = EngDeviceIoControl(hDriver, IOCTL_VIDEO_QUERY_POINTER_CAPABILITIES, NULL, 0,
pCaps, sizeof(VIDEO_POINTER_CAPABILITIES), &cbReturned);
VBOX_CHECK_WINERR_RETRC(dwrc, VERR_DEV_IO_ERROR);
VBOX_WARN_IOCTLCB_RETRC("IOCTL_VIDEO_QUERY_POINTER_CAPABILITIES", cbReturned, sizeof(VIDEO_POINTER_CAPABILITIES), VERR_DEV_IO_ERROR);
LOGF_LEAVE();
return VINF_SUCCESS;
}
int VBoxDispMPQueryRegistryFlags(HANDLE hDriver, ULONG *pulFlags)
{
DWORD dwrc;
ULONG cbReturned;
ULONG ulInfoLevel;
LOGF_ENTER();
*pulFlags = 0;
ulInfoLevel = VBOXVIDEO_INFO_LEVEL_REGISTRY_FLAGS;
dwrc = EngDeviceIoControl(hDriver, IOCTL_VIDEO_QUERY_VBOXVIDEO_INFO, &ulInfoLevel, sizeof(DWORD),
pulFlags, sizeof(DWORD), &cbReturned);
VBOX_CHECK_WINERR_RETRC(dwrc, VERR_DEV_IO_ERROR);
VBOX_WARN_IOCTLCB_RETRC("IOCTL_VIDEO_QUERY_INFO", cbReturned, sizeof(DWORD), VERR_DEV_IO_ERROR);
if (*pulFlags != 0)
LogRel(("VBoxDisp: video flags 0x%08X\n", *pulFlags));
LOGF_LEAVE();
return VINF_SUCCESS;
}
/* Map device framebuffer and VRAM to our virtual address space */
int VBoxDispMPMapMemory(PVBOXDISPDEV pDev, PVIDEO_MEMORY_INFORMATION pMemInfo)
{
DWORD dwrc;
ULONG cbReturned;
VIDEO_MEMORY vMem;
VIDEO_MEMORY_INFORMATION vMemInfo;
LOGF_ENTER();
Assert(!pDev->memInfo.FrameBufferBase && !pDev->memInfo.VideoRamBase);
vMem.RequestedVirtualAddress = NULL;
dwrc = EngDeviceIoControl(pDev->hDriver, IOCTL_VIDEO_MAP_VIDEO_MEMORY, &vMem, sizeof(vMem), &vMemInfo, sizeof(vMemInfo), &cbReturned);
VBOX_CHECK_WINERR_RETRC(dwrc, VERR_DEV_IO_ERROR);
VBOX_WARN_IOCTLCB_RETRC("IOCTL_VIDEO_MAP_VIDEO_MEMORY", cbReturned, sizeof(vMemInfo), VERR_DEV_IO_ERROR);
if (vMemInfo.FrameBufferBase != vMemInfo.VideoRamBase)
{
WARN(("FrameBufferBase!=VideoRamBase."));
return VERR_GENERAL_FAILURE;
}
/* Check if we can access mapped memory */
uint32_t magic = (*(ULONG *)vMemInfo.FrameBufferBase == 0xDEADF00D) ? 0xBAADF00D : 0xDEADF00D;
ASMAtomicWriteU32((uint32_t *)vMemInfo.FrameBufferBase, magic);
if (ASMAtomicReadU32((uint32_t *)vMemInfo.FrameBufferBase) != magic)
{
WARN(("can't write to framebuffer memory!"));
return VERR_GENERAL_FAILURE;
}
memcpy(pMemInfo, &vMemInfo, sizeof(vMemInfo));
LOGF_LEAVE();
return VINF_SUCCESS;
}
