Commit f705a362 authored by Gerd Hoffmann's avatar Gerd Hoffmann
Browse files

xhci: add xhci_port_notify 



Create a function to notify the guest about port
status changes and put it into use.

Signed-off-by: default avatarGerd Hoffmann <kraxel@redhat.com>
parent 6a32f80f

hw/usb/hcd-xhci.c

+17 −14
Original line number Diff line number Diff line
@@ -2348,6 +2348,21 @@ static bool xhci_port_have_device(XHCIPort *port) 
    return true;

}



static void xhci_port_notify(XHCIPort *port, uint32_t bits)

{

    XHCIEvent ev = { ER_PORT_STATUS_CHANGE, CC_SUCCESS,

                     port->portnr << 24 };



    if ((port->portsc & bits) == bits) {

        return;

    }

    port->portsc |= bits;

    if (!xhci_running(port->xhci)) {

        return;

    }

    xhci_event(port->xhci, &ev, 0);

}



static void xhci_port_update(XHCIPort *port, int is_detach)

{

    port->portsc = PORTSC_PP;
@@ -2369,13 +2384,7 @@ static void xhci_port_update(XHCIPort *port, int is_detach) 
        }

    }



    if (xhci_running(port->xhci)) {

        port->portsc |= PORTSC_CSC;

        XHCIEvent ev = { ER_PORT_STATUS_CHANGE, CC_SUCCESS,

                         port->portnr << 24};

        xhci_event(port->xhci, &ev, 0);

        DPRINTF("xhci: port change event for port %d\n", port->portnr);

    }

    xhci_port_notify(port, PORTSC_CSC);

}



static void xhci_reset(DeviceState *dev)
@@ -2865,18 +2874,12 @@ static void xhci_wakeup(USBPort *usbport) 
{

    XHCIState *xhci = usbport->opaque;

    XHCIPort *port = xhci_lookup_port(xhci, usbport);

    XHCIEvent ev = { ER_PORT_STATUS_CHANGE, CC_SUCCESS,

                     port->portnr << 24};



    if (get_field(port->portsc, PORTSC_PLS) != PLS_U3) {

        return;

    }

    set_field(&port->portsc, PLS_RESUME, PORTSC_PLS);

    if (port->portsc & PORTSC_PLC) {

        return;

    }

    port->portsc |= PORTSC_PLC;

    xhci_event(xhci, &ev, 0);

    xhci_port_notify(port, PORTSC_PLC);

}



static void xhci_complete(USBPort *port, USBPacket *packet)