[Qemu-devel] [PATCH 03/23] pci: introduce constant PCI_NUM_PINS for the number of interrupt pins, 4.

[Isaku Yamahata]

introduce constant PCI_NUM_PINS for the number of interrupt pins, 4.
and use it.

Signed-off-by: Isaku Yamahata <address@hidden>
Acked-by: Michael S. Tsirkin <address@hidden>
---
 hw/pci.c |    4 ++--
 hw/pci.h |    4 +++-
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/hw/pci.c b/hw/pci.c
index d281ee2..40035e6 100644
--- a/hw/pci.c
+++ b/hw/pci.c
@@ -177,7 +177,7 @@ const VMStateDescription vmstate_pci_device = {
         VMSTATE_INT32_LE(version_id, PCIDevice),
         VMSTATE_SINGLE(config, PCIDevice, 0, vmstate_info_pci_config,
                        typeof_field(PCIDevice,config)),
-        VMSTATE_INT32_ARRAY_V(irq_state, PCIDevice, 4, 2),
+        VMSTATE_INT32_ARRAY_V(irq_state, PCIDevice, PCI_NUM_PINS, 2),
         VMSTATE_END_OF_LIST()
     }
 };
@@ -337,7 +337,7 @@ static PCIDevice *do_pci_register_device(PCIDevice 
*pci_dev, PCIBus *bus,
     pci_dev->config_read = config_read;
     pci_dev->config_write = config_write;
     bus->devices[devfn] = pci_dev;
-    pci_dev->irq = qemu_allocate_irqs(pci_set_irq, pci_dev, 4);
+    pci_dev->irq = qemu_allocate_irqs(pci_set_irq, pci_dev, PCI_NUM_PINS);
     pci_dev->version_id = 2; /* Current pci device vmstate version */
     return pci_dev;
 }
diff --git a/hw/pci.h b/hw/pci.h
index caba5c8..37df4ef 100644
--- a/hw/pci.h
+++ b/hw/pci.h
@@ -156,6 +156,8 @@ typedef struct PCIIORegion {
 /* Size of the standard PCI config space */
 #define PCI_CONFIG_SPACE_SIZE 0x100
 
+#define PCI_NUM_PINS 4 /* A-D */
+
 /* Bits in cap_present field. */
 enum {
     QEMU_PCI_CAP_MSIX = 0x1,
@@ -191,7 +193,7 @@ struct PCIDevice {
     qemu_irq *irq;
 
     /* Current IRQ levels.  Used internally by the generic PCI code.  */
-    int irq_state[4];
+    int irq_state[PCI_NUM_PINS];
 
     /* Capability bits */
     uint32_t cap_present;
-- 
1.6.0.2