On Sun, May 08, 2022 at 05:32:22PM +0200, Arnout Engelen wrote:
> The 'active' bit passes control over a qTD between the guest and the
> controller: set to 1 by guest to enable execution by the controller,
> and the controller sets it to '0' to hand back control to the guest.
>
> ehci_state_writeb
The 'active' bit passes control over a qTD between the guest and the
controller: set to 1 by guest to enable execution by the controller,
and the controller sets it to '0' to hand back control to the guest.
ehci_state_writeback write two dwords to main memory using DMA:
the third dword of the qTD
