[Qemu-devel] [PATCH V3 04/11] pci: remove pci device from mem view when unplug

[Liu Ping Fan <qemulist@gmail.com>]

From: Liu Ping Fan <pingfank@linux.vnet.ibm.com>

Signed-off-by: Liu Ping Fan <pingfank@linux.vnet.ibm.com>
---
 hw/acpi_piix4.c |    2 +-
 hw/pci.c        |   13 ++++++++++++-
 hw/pci.h        |    1 +
 3 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/hw/acpi_piix4.c b/hw/acpi_piix4.c
index c56220b..a78b0e3 100644
--- a/hw/acpi_piix4.c
+++ b/hw/acpi_piix4.c
@@ -305,7 +305,7 @@ static void acpi_piix_eject_slot(PIIX4PMState *s, unsigned slots)
             if (pc->no_hotplug) {
                 slot_free = false;
             } else {
-                qdev_free(qdev);
+                qdev_unplug_complete(qdev, NULL);
             }
         }
     }
diff --git a/hw/pci.c b/hw/pci.c
index 4d95984..3e2a081 100644
--- a/hw/pci.c
+++ b/hw/pci.c
@@ -850,7 +850,6 @@ static int pci_unregister_device(DeviceState *dev)
     PCIDevice *pci_dev = PCI_DEVICE(dev);
     PCIDeviceClass *pc = PCI_DEVICE_GET_CLASS(pci_dev);
 
-    pci_unregister_io_regions(pci_dev);
     pci_del_option_rom(pci_dev);
 
     if (pc->exit) {
@@ -861,6 +860,17 @@ static int pci_unregister_device(DeviceState *dev)
     return 0;
 }
 
+static void pci_unmap_device(DeviceState *dev)
+{
+    PCIDevice *pci_dev = PCI_DEVICE(dev);
+    PCIDeviceClass *pc = PCI_DEVICE_GET_CLASS(pci_dev);
+
+    pci_unregister_io_regions(pci_dev);
+    if (pc->unmap) {
+        pc->unmap(pci_dev);
+    }
+}
+
 void pci_register_bar(PCIDevice *pci_dev, int region_num,
                       uint8_t type, MemoryRegion *memory)
 {
@@ -2064,6 +2074,7 @@ static void pci_device_class_init(ObjectClass *klass, void *data)
     DeviceClass *k = DEVICE_CLASS(klass);
     k->init = pci_qdev_init;
     k->unplug = pci_unplug_device;
+    k->unmap = pci_unmap_device;
     k->exit = pci_unregister_device;
     k->bus_type = TYPE_PCI_BUS;
     k->props = pci_props;
diff --git a/hw/pci.h b/hw/pci.h
index 4b6ab3d..09bbe2b 100644
--- a/hw/pci.h
+++ b/hw/pci.h
@@ -154,6 +154,7 @@ typedef struct PCIDeviceClass {
     DeviceClass parent_class;
 
     int (*init)(PCIDevice *dev);
+    void (*unmap)(PCIDevice *dev);
     PCIUnregisterFunc *exit;
     PCIConfigReadFunc *config_read;
     PCIConfigWriteFunc *config_write;
-- 
1.7.4.4