pci: move typedef, PCIHostState, PCIExpressHost to qemu-common.h.

This patch moves two typedefs, PCIHostState and PCIExpressHost to
qemu-common.h for consistency as PCIBus and PCIDevice are typedefed
in qemu-common.h.
Signed-off-by: NIsaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: NMichael S. Tsirkin <mst@redhat.com>

hw/pci_host.h

@@ -30,11 +30,11 @@
 
 #include "sysbus.h"
 
-typedef struct {
+struct PCIHostState {
     SysBusDevice busdev;
     uint32_t config_reg;
     PCIBus *bus;
-} PCIHostState;
+};
 
 void pci_data_write(PCIBus *s, uint32_t addr, uint32_t val, int len);
 uint32_t pci_data_read(PCIBus *s, uint32_t addr, int len);

hw/pcie_host.h

@@ -24,7 +24,7 @@
 
 #include "pci_host.h"
 
-typedef struct {
+struct PCIExpressHost {
     PCIHostState pci;
 
     /* express part */
@@ -37,7 +37,7 @@ typedef struct {
 
     /* result of cpu_register_io_memory() to map MMCONFIG area */
     int mmio_index;
-} PCIExpressHost;
+};
 
 int pcie_host_init(PCIExpressHost *e);
 void pcie_host_mmcfg_unmap(PCIExpressHost *e);

qemu-common.h

@@ -198,6 +198,8 @@ typedef struct i2c_bus i2c_bus;
 typedef struct i2c_slave i2c_slave;
 typedef struct SMBusDevice SMBusDevice;
 typedef struct QEMUTimer QEMUTimer;
+typedef struct PCIHostState PCIHostState;
+typedef struct PCIExpressHost PCIExpressHost;
 typedef struct PCIBus PCIBus;
 typedef struct PCIDevice PCIDevice;
 typedef struct SerialState SerialState;