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apci: switch piix4 pci hotplug to memory api

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Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Gerd Hoffmann 2012-11-23 16:03:19 +01:00
parent c84649ca66
commit c177684c75
1 changed files with 29 additions and 8 deletions
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37
hw/acpi_piix4.c
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@ -42,6 +42,9 @@
#define GPE_BASE 0xafe0
#define GPE_LEN 4
#define PCI_HOTPLUG_ADDR 0xae00
#define PCI_HOTPLUG_SIZE 0x000f
#define PCI_UP_BASE 0xae00
#define PCI_DOWN_BASE 0xae04
#define PCI_EJ_BASE 0xae08
@ -58,6 +61,7 @@ typedef struct PIIX4PMState {
PCIDevice dev;
MemoryRegion io;
MemoryRegion io_gpe;
MemoryRegion io_pci;
ACPIREGS ar;
APMState apm;
@ -574,6 +578,27 @@ static uint32_t pcirmv_read(void *opaque, uint32_t addr)
return s->pci0_hotplug_enable;
}
static const MemoryRegionOps piix4_pci_ops = {
.old_portio = (MemoryRegionPortio[]) {
{
.offset = PCI_UP_BASE - PCI_HOTPLUG_ADDR, .len = 4, .size = 4,
.read = pci_up_read,
},{
.offset = PCI_DOWN_BASE - PCI_HOTPLUG_ADDR, .len = 4, .size = 4,
.read = pci_down_read,
},{
.offset = PCI_EJ_BASE - PCI_HOTPLUG_ADDR, .len = 4, .size = 4,
.read = pci_features_read,
.write = pciej_write,
},{
.offset = PCI_RMV_BASE - PCI_HOTPLUG_ADDR, .len = 4, .size = 4,
.read = pcirmv_read,
},
PORTIO_END_OF_LIST()
},
.endianness = DEVICE_LITTLE_ENDIAN,
};
static int piix4_device_hotplug(DeviceState *qdev, PCIDevice *dev,
PCIHotplugState state);
@ -583,14 +608,10 @@ static void piix4_acpi_system_hot_add_init(PCIBus *bus, PIIX4PMState *s)
GPE_LEN);
memory_region_add_subregion(get_system_io(), GPE_BASE, &s->io_gpe);
register_ioport_read(PCI_UP_BASE, 4, 4, pci_up_read, s);
register_ioport_read(PCI_DOWN_BASE, 4, 4, pci_down_read, s);
register_ioport_write(PCI_EJ_BASE, 4, 4, pciej_write, s);
register_ioport_read(PCI_EJ_BASE, 4, 4, pci_features_read, s);
register_ioport_read(PCI_RMV_BASE, 4, 4, pcirmv_read, s);
memory_region_init_io(&s->io_pci, &piix4_pci_ops, s, "apci-pci-hotplug",
PCI_HOTPLUG_SIZE);
memory_region_add_subregion(get_system_io(), PCI_HOTPLUG_ADDR,
&s->io_pci);
pci_bus_hotplug(bus, piix4_device_hotplug, &s->dev.qdev);
}