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authorJuan Quintela <quintela@redhat.com>2010-12-02 16:26:56 +0100
committerAnthony Liguori <aliguori@us.ibm.com>2011-04-22 14:41:43 -0500
commit1fc7cee0b40e23d3d8a7384df69c07e5dd5954ed (patch)
treee751c02112e5a97f8a248cc9e887c3d6392b6b03
parent8e470f8a77f6dfb0ca4bb087010b4bcd920a1d21 (diff)
piix4: create PIIX4State
It only contains a PCIDevice by know, but it makes easy to use migration code Signed-off-by: Juan Quintela <quintela@redhat.com>
-rw-r--r--hw/piix4.c29
1 files changed, 17 insertions, 12 deletions
diff --git a/hw/piix4.c b/hw/piix4.c
index 72073cd0a0..40cd91a32f 100644
--- a/hw/piix4.c
+++ b/hw/piix4.c
@@ -30,10 +30,14 @@
PCIDevice *piix4_dev;
+typedef struct PIIX4State {
+ PCIDevice dev;
+} PIIX4State;
+
static void piix4_reset(void *opaque)
{
- PCIDevice *d = opaque;
- uint8_t *pci_conf = d->config;
+ PIIX4State *d = opaque;
+ uint8_t *pci_conf = d->dev.config;
pci_conf[0x04] = 0x07; // master, memory and I/O
pci_conf[0x05] = 0x00;
@@ -70,31 +74,32 @@ static void piix4_reset(void *opaque)
static void piix_save(QEMUFile* f, void *opaque)
{
- PCIDevice *d = opaque;
- pci_device_save(d, f);
+ PIIX4State *d = opaque;
+ pci_device_save(&d->dev, f);
}
static int piix_load(QEMUFile* f, void *opaque, int version_id)
{
- PCIDevice *d = opaque;
+ PIIX4State *d = opaque;
if (version_id != 2)
return -EINVAL;
- return pci_device_load(d, f);
+ return pci_device_load(&d->dev, f);
}
-static int piix4_initfn(PCIDevice *d)
+static int piix4_initfn(PCIDevice *dev)
{
+ PIIX4State *d = DO_UPCAST(PIIX4State, dev, dev);
uint8_t *pci_conf;
- isa_bus_new(&d->qdev);
- register_savevm(&d->qdev, "PIIX4", 0, 2, piix_save, piix_load, d);
+ isa_bus_new(&d->dev.qdev);
+ register_savevm(&d->dev.qdev, "PIIX4", 0, 2, piix_save, piix_load, d);
- pci_conf = d->config;
+ pci_conf = d->dev.config;
pci_config_set_vendor_id(pci_conf, PCI_VENDOR_ID_INTEL);
pci_config_set_device_id(pci_conf, PCI_DEVICE_ID_INTEL_82371AB_0); // 82371AB/EB/MB PIIX4 PCI-to-ISA bridge
pci_config_set_class(pci_conf, PCI_CLASS_BRIDGE_ISA);
- piix4_dev = d;
+ piix4_dev = &d->dev;
qemu_register_reset(piix4_reset, d);
return 0;
}
@@ -111,7 +116,7 @@ static PCIDeviceInfo piix4_info[] = {
{
.qdev.name = "PIIX4",
.qdev.desc = "ISA bridge",
- .qdev.size = sizeof(PCIDevice),
+ .qdev.size = sizeof(PIIX4State),
.qdev.no_user = 1,
.no_hotplug = 1,
.init = piix4_initfn,