/**
* Submit a command descriptor allocated by @a VBoxHGSMIBufferAlloc.
*
* @param pCtx the context containing the heap used
* @param pvBuffer the pointer returned by @a VBoxHGSMIBufferAlloc
*/
RTDECL(int) VBoxHGSMIBufferSubmit(PHGSMIGUESTCOMMANDCONTEXT pCtx,
void *pvBuffer)
{
/* Initialize the buffer and get the offset for port IO. */
HGSMIOFFSET offBuffer = HGSMIHeapBufferOffset (HGSMIGUESTCMDHEAP_GET(&pCtx->heapCtx), pvBuffer);
Assert(offBuffer != HGSMIOFFSET_VOID);
if (offBuffer != HGSMIOFFSET_VOID)
{
/* Submit the buffer to the host. */
VBoxVideoCmnPortWriteUlong(pCtx->port, offBuffer);
return VINF_SUCCESS;
}
return VERR_INVALID_PARAMETER;
}
/** Send completion notification to the host for the command located at offset
* @a offt into the host command buffer. */
static void HGSMINotifyHostCmdComplete(PHGSMIHOSTCOMMANDCONTEXT pCtx, HGSMIOFFSET offt)
{
VBoxVideoCmnPortWriteUlong(pCtx->port, offt);
}
static int vboxCmdVbvaSubmitHgsmi(PHGSMIGUESTCOMMANDCONTEXT pHGSMICtx, HGSMIOFFSET offDr)
{
VBoxVideoCmnPortWriteUlong(pHGSMICtx->port, offDr);
return VINF_SUCCESS;
}
