[PATCHv6 09/16] Record which USBDevice USBPort belongs too.

Gleb Natapov
2010-11-17T16:44:12Z

Ports on root hub will have NULL here. This is needed to reconstruct
path from device to its root hub to build device path.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
---
hw/usb-bus.c | 3 ++-
hw/usb-hub.c | 2 +-
hw/usb-musb.c | 2 +-
hw/usb-ohci.c | 2 +-
hw/usb-uhci.c | 2 +-
hw/usb.h | 3 ++-
6 files changed, 8 insertions(+), 6 deletions(-)

diff --git a/hw/usb-bus.c b/hw/usb-bus.c
index b692503..256b881 100644
--- a/hw/usb-bus.c
+++ b/hw/usb-bus.c
@@ -110,11 +110,12 @@ USBDevice *usb_create_simple(USBBus *bus, const char *name)
}

void usb_register_port(USBBus *bus, USBPort *port, void *opaque, int index,
- usb_attachfn attach)
+ USBDevice *pdev, usb_attachfn attach)
{
port->opaque = opaque;
port->index = index;
port->attach = attach;
+ port->pdev = pdev;
QTAILQ_INSERT_TAIL(&bus->free, port, next);
bus->nfree++;
}
diff --git a/hw/usb-hub.c b/hw/usb-hub.c
index 8e3a96b..8a3f829 100644
--- a/hw/usb-hub.c
+++ b/hw/usb-hub.c
@@ -535,7 +535,7 @@ static int usb_hub_initfn(USBDevice *dev)
for (i = 0; i < s->nb_ports; i++) {
port = &s->ports[i];
usb_register_port(usb_bus_from_device(dev),
- &port->port, s, i, usb_hub_attach);
+ &port->port, s, i, &s->dev, usb_hub_attach);
port->wPortStatus = PORT_STAT_POWER;
port->wPortChange = 0;
}
diff --git a/hw/usb-musb.c b/hw/usb-musb.c
index 7f15842..9efe7a6 100644
--- a/hw/usb-musb.c
+++ b/hw/usb-musb.c
@@ -343,7 +343,7 @@ struct MUSBState {
}

usb_bus_new(&s->bus, NULL /* FIXME */);
- usb_register_port(&s->bus, &s->port, s, 0, musb_attach);
+ usb_register_port(&s->bus, &s->port, s, 0, NULL, musb_attach);

return s;
}
diff --git a/hw/usb-ohci.c b/hw/usb-ohci.c
index c60fd8d..59604cf 100644
--- a/hw/usb-ohci.c
+++ b/hw/usb-ohci.c
@@ -1705,7 +1705,7 @@ static void usb_ohci_init(OHCIState *ohci, DeviceState *dev,
usb_bus_new(&ohci->bus, dev);
ohci->num_ports = num_ports;
for (i = 0; i < num_ports; i++) {
- usb_register_port(&ohci->bus, &ohci->rhport[i].port, ohci, i, ohci_attach);
+ usb_register_port(&ohci->bus, &ohci->rhport[i].port, ohci, i, NULL, ohci_attach);
}

ohci->async_td = 0;
diff --git a/hw/usb-uhci.c b/hw/usb-uhci.c
index 1d83400..b9b822f 100644
--- a/hw/usb-uhci.c
+++ b/hw/usb-uhci.c
@@ -1115,7 +1115,7 @@ static int usb_uhci_common_initfn(UHCIState *s)

usb_bus_new(&s->bus, &s->dev.qdev);
for(i = 0; i < NB_PORTS; i++) {
- usb_register_port(&s->bus, &s->ports[i].port, s, i, uhci_attach);
+ usb_register_port(&s->bus, &s->ports[i].port, s, i, NULL, uhci_attach);
}
s->frame_timer = qemu_new_timer(vm_clock, uhci_frame_timer, s);
s->expire_time = qemu_get_clock(vm_clock) +
diff --git a/hw/usb.h b/hw/usb.h
index 00d2802..0b32d77 100644
--- a/hw/usb.h
+++ b/hw/usb.h
@@ -203,6 +203,7 @@ struct USBPort {
USBDevice *dev;
usb_attachfn attach;
void *opaque;
+ USBDevice *pdev;
int index; /* internal port index, may be used with the opaque */
QTAILQ_ENTRY(USBPort) next;
};
@@ -312,7 +313,7 @@ USBDevice *usb_create(USBBus *bus, const char *name);
USBDevice *usb_create_simple(USBBus *bus, const char *name);
USBDevice *usbdevice_create(const char *cmdline);
void usb_register_port(USBBus *bus, USBPort *port, void *opaque, int index,
- usb_attachfn attach);
+ USBDevice *pdev, usb_attachfn attach);
void usb_unregister_port(USBBus *bus, USBPort *port);
int usb_device_attach(USBDevice *dev);
int usb_device_detach(USBDevice *dev);
--
1.7.2.3