acpi.c: make qemu_system_device_hot_add piix independent.

introruce piix4_device_hot_add() for piix4 specific code
and make qemu_system_device_hot_add() generic.

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

1 files changed, 5 insertions, 2 deletions

diff --git a/hw/pc.h b/hw/pc.h
index 0afffa2..9fbae20 100644
--- a/hw/pc.h
+++ b/hw/pc.h
@@ -108,11 +108,14 @@ extern int acpi_enabled;
 extern char *acpi_tables;
 extern size_t acpi_tables_len;
 
+void acpi_bios_init(void);
+int acpi_table_add(const char *table_desc);
+
+/* acpi_piix.c */
 i2c_bus *piix4_pm_init(PCIBus *bus, int devfn, uint32_t smb_io_base,
                        qemu_irq sci_irq);
 void piix4_smbus_register_device(SMBusDevice *dev, uint8_t addr);
-void acpi_bios_init(void);
-int acpi_table_add(const char *table_desc);
+void piix4_acpi_system_hot_add_init(void);
 
 /* hpet.c */
 extern int no_hpet;