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xhci: add xhci_port_notify 

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

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Gerd Hoffmann 2012-10-26 10:19:02 +02:00
parent 6a32f80f05
commit f705a36280
1 changed files with 17 additions and 14 deletions
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31
hw/usb/hcd-xhci.c
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@ -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)