[PATCH 1/8] pci: Define pci_bus_dev_fn type

[Peter Xu <peterx@redhat.com>]

It's used in quite a few places of pci.c and also in the rest of the code base.
Define such a hook so that it doesn't need to be defined all over the places.

Signed-off-by: Peter Xu <peterx@redhat.com>
---
 hw/pci/pci.c         | 14 ++++----------
 include/hw/pci/pci.h |  7 ++++---
 2 files changed, 8 insertions(+), 13 deletions(-)

diff --git a/hw/pci/pci.c b/hw/pci/pci.c
index 186758ee11..1ab2b78321 100644
--- a/hw/pci/pci.c
+++ b/hw/pci/pci.c
@@ -1655,9 +1655,7 @@ static const pci_class_desc pci_class_descriptions[] =
 };
 
 static void pci_for_each_device_under_bus_reverse(PCIBus *bus,
-                                                  void (*fn)(PCIBus *b,
-                                                             PCIDevice *d,
-                                                             void *opaque),
+                                                  pci_bus_dev_fn fn,
                                                   void *opaque)
 {
     PCIDevice *d;
@@ -1672,8 +1670,7 @@ static void pci_for_each_device_under_bus_reverse(PCIBus *bus,
 }
 
 void pci_for_each_device_reverse(PCIBus *bus, int bus_num,
-                         void (*fn)(PCIBus *b, PCIDevice *d, void *opaque),
-                         void *opaque)
+                                 pci_bus_dev_fn fn, void *opaque)
 {
     bus = pci_find_bus_nr(bus, bus_num);
 
@@ -1683,9 +1680,7 @@ void pci_for_each_device_reverse(PCIBus *bus, int bus_num,
 }
 
 static void pci_for_each_device_under_bus(PCIBus *bus,
-                                          void (*fn)(PCIBus *b, PCIDevice *d,
-                                                     void *opaque),
-                                          void *opaque)
+                                          pci_bus_dev_fn fn, void *opaque)
 {
     PCIDevice *d;
     int devfn;
@@ -1699,8 +1694,7 @@ static void pci_for_each_device_under_bus(PCIBus *bus,
 }
 
 void pci_for_each_device(PCIBus *bus, int bus_num,
-                         void (*fn)(PCIBus *b, PCIDevice *d, void *opaque),
-                         void *opaque)
+                         pci_bus_dev_fn fn, void *opaque)
 {
     bus = pci_find_bus_nr(bus, bus_num);
 
diff --git a/include/hw/pci/pci.h b/include/hw/pci/pci.h
index 7fc90132cf..8e2d80860b 100644
--- a/include/hw/pci/pci.h
+++ b/include/hw/pci/pci.h
@@ -401,6 +401,8 @@ typedef PCIINTxRoute (*pci_route_irq_fn)(void *opaque, int pin);
 OBJECT_DECLARE_TYPE(PCIBus, PCIBusClass, PCI_BUS)
 #define TYPE_PCIE_BUS "PCIE"
 
+typedef void (*pci_bus_dev_fn)(PCIBus *b, PCIDevice *d, void *opaque);
+
 bool pci_bus_is_express(PCIBus *bus);
 
 void pci_root_bus_init(PCIBus *bus, size_t bus_size, DeviceState *parent,
@@ -458,11 +460,10 @@ static inline int pci_dev_bus_num(const PCIDevice *dev)
 
 int pci_bus_numa_node(PCIBus *bus);
 void pci_for_each_device(PCIBus *bus, int bus_num,
-                         void (*fn)(PCIBus *bus, PCIDevice *d, void *opaque),
+                         pci_bus_dev_fn fn,
                          void *opaque);
 void pci_for_each_device_reverse(PCIBus *bus, int bus_num,
-                                 void (*fn)(PCIBus *bus, PCIDevice *d,
-                                            void *opaque),
+                                 pci_bus_dev_fn fn,
                                  void *opaque);
 void pci_for_each_bus_depth_first(PCIBus *bus,
                                   void *(*begin)(PCIBus *bus, void *parent_state),
-- 
2.32.0