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[Qemu-devel] [PATCH 5/6] usb-xhci: add exit function
From: |
arei.gonglei |
Subject: |
[Qemu-devel] [PATCH 5/6] usb-xhci: add exit function |
Date: |
Fri, 30 May 2014 20:22:21 +0800 |
From: Gonglei <address@hidden>
clean up xhci resource when xhci pci device exit
Signed-off-by: Gonglei <address@hidden>
---
hw/usb/hcd-xhci.c | 36 ++++++++++++++++++++++++++++++++++++
1 file changed, 36 insertions(+)
diff --git a/hw/usb/hcd-xhci.c b/hw/usb/hcd-xhci.c
index 54dea16..4c266e7 100644
--- a/hw/usb/hcd-xhci.c
+++ b/hw/usb/hcd-xhci.c
@@ -3617,6 +3617,41 @@ static int usb_xhci_initfn(struct PCIDevice *dev)
return 0;
}
+static void usb_xhci_exit(PCIDevice *dev)
+{
+ int i;
+ XHCIState *xhci = XHCI(dev);
+
+ memory_region_del_subregion(&xhci->mem, &xhci->mem_cap);
+ memory_region_del_subregion(&xhci->mem, &xhci->mem_oper);
+ memory_region_del_subregion(&xhci->mem, &xhci->mem_runtime);
+ memory_region_del_subregion(&xhci->mem, &xhci->mem_doorbell);
+
+ memory_region_destroy(&xhci->mem_cap);
+ memory_region_destroy(&xhci->mem_oper);
+ memory_region_destroy(&xhci->mem_runtime);
+ memory_region_destroy(&xhci->mem_doorbell);
+
+ for (i = 0; i < xhci->numports; i++) {
+ XHCIPort *port = &xhci->ports[i];
+ memory_region_del_subregion(&xhci->mem, &port->mem);
+ memory_region_destroy(&port->mem);
+ }
+
+ /* destroy msix memory region */
+ if (dev->msix_table && dev->msix_pba
+ && dev->msix_entry_used) {
+ memory_region_del_subregion(&xhci->mem, &dev->msix_table_mmio);
+ memory_region_destroy(&dev->msix_table_mmio);
+ memory_region_del_subregion(&xhci->mem, &dev->msix_pba_mmio);
+ memory_region_destroy(&dev->msix_pba_mmio);
+ }
+
+ memory_region_destroy(&xhci->mem);
+
+ usb_bus_release(&xhci->bus);
+}
+
static int usb_xhci_post_load(void *opaque, int version_id)
{
XHCIState *xhci = opaque;
@@ -3806,6 +3841,7 @@ static void xhci_class_init(ObjectClass *klass, void
*data)
dc->hotpluggable = false;
set_bit(DEVICE_CATEGORY_USB, dc->categories);
k->init = usb_xhci_initfn;
+ k->exit = usb_xhci_exit;
k->vendor_id = PCI_VENDOR_ID_NEC;
k->device_id = PCI_DEVICE_ID_NEC_UPD720200;
k->class_id = PCI_CLASS_SERIAL_USB;
--
1.7.12.4
- [Qemu-devel] [PATCH 0/6] usb: usb host adapter hotplug, arei.gonglei, 2014/05/30
- [Qemu-devel] [PATCH 3/6] usb-uhci: clean up uhci resource when pci-uhci exit, arei.gonglei, 2014/05/30
- [Qemu-devel] [PATCH 1/6] usb: add usb_bus_release function, arei.gonglei, 2014/05/30
- [Qemu-devel] [PATCH 2/6] usb-ohci: add exit function, arei.gonglei, 2014/05/30
- [Qemu-devel] [PATCH 5/6] usb-xhci: add exit function,
arei.gonglei <=
- [Qemu-devel] [PATCH 4/6] usb-ehci-pci: add exit function, arei.gonglei, 2014/05/30
- [Qemu-devel] [PATCH 6/6] usb: tag usb host controller as hotpluggable, arei.gonglei, 2014/05/30