[v6,31/33] hw/isa/piix: Rename functions to be shared for interrupt triggering

Commit Message

Bernhard Beschow Jan. 9, 2023, 5:23 p.m. UTC

PIIX4 will get the same optimizations which are already implemented for
PIIX3.

Signed-off-by: Bernhard Beschow <[e-mail]>
Reviewed-by: Michael S. Tsirkin <[e-mail]>
Message-Id: <[e-mail]>
---
 hw/isa/piix.c | 56 +++++++++++++++++++++++++--------------------------
 1 file changed, 28 insertions(+), 28 deletions(-)

Patch

diff --git a/hw/isa/piix.c b/hw/isa/piix.c
index 0132f6e70a..33ea5275ec 100644
--- a/hw/isa/piix.c
+++ b/hw/isa/piix.c
@@ -40,47 +40,47 @@ 
 
 #define XEN_PIIX_NUM_PIRQS      128ULL
 
-static void piix3_set_irq_pic(PIIXState *piix3, int pic_irq)
+static void piix_set_irq_pic(PIIXState *piix, int pic_irq)
 {
-    qemu_set_irq(piix3->pic.in_irqs[pic_irq],
-                 !!(piix3->pic_levels &
+    qemu_set_irq(piix->pic.in_irqs[pic_irq],
+                 !!(piix->pic_levels &
                     (((1ULL << PIIX_NUM_PIRQS) - 1) <<
                      (pic_irq * PIIX_NUM_PIRQS))));
 }
 
-static void piix3_set_irq_level_internal(PIIXState *piix3, int pirq, int level)
+static void piix_set_irq_level_internal(PIIXState *piix, int pirq, int level)
 {
     int pic_irq;
     uint64_t mask;
 
-    pic_irq = piix3->dev.config[PIIX_PIRQCA + pirq];
+    pic_irq = piix->dev.config[PIIX_PIRQCA + pirq];
     if (pic_irq >= ISA_NUM_IRQS) {
         return;
     }
 
     mask = 1ULL << ((pic_irq * PIIX_NUM_PIRQS) + pirq);
-    piix3->pic_levels &= ~mask;
-    piix3->pic_levels |= mask * !!level;
+    piix->pic_levels &= ~mask;
+    piix->pic_levels |= mask * !!level;
 }
 
-static void piix3_set_irq_level(PIIXState *piix3, int pirq, int level)
+static void piix_set_irq_level(PIIXState *piix, int pirq, int level)
 {
     int pic_irq;
 
-    pic_irq = piix3->dev.config[PIIX_PIRQCA + pirq];
+    pic_irq = piix->dev.config[PIIX_PIRQCA + pirq];
     if (pic_irq >= ISA_NUM_IRQS) {
         return;
     }
 
-    piix3_set_irq_level_internal(piix3, pirq, level);
+    piix_set_irq_level_internal(piix, pirq, level);
 
-    piix3_set_irq_pic(piix3, pic_irq);
+    piix_set_irq_pic(piix, pic_irq);
 }
 
-static void piix3_set_irq(void *opaque, int pirq, int level)
+static void piix_set_irq(void *opaque, int pirq, int level)
 {
-    PIIXState *piix3 = opaque;
-    piix3_set_irq_level(piix3, pirq, level);
+    PIIXState *piix = opaque;
+    piix_set_irq_level(piix, pirq, level);
 }
 
 static void piix4_set_irq(void *opaque, int irq_num, int level)
@@ -121,29 +121,29 @@  static PCIINTxRoute piix3_route_intx_pin_to_irq(void *opaque, int pin)
 }
 
 /* irq routing is changed. so rebuild bitmap */
-static void piix3_update_irq_levels(PIIXState *piix3)
+static void piix_update_irq_levels(PIIXState *piix)
 {
-    PCIBus *bus = pci_get_bus(&piix3->dev);
+    PCIBus *bus = pci_get_bus(&piix->dev);
     int pirq;
 
-    piix3->pic_levels = 0;
+    piix->pic_levels = 0;
     for (pirq = 0; pirq < PIIX_NUM_PIRQS; pirq++) {
-        piix3_set_irq_level(piix3, pirq, pci_bus_get_irq_level(bus, pirq));
+        piix_set_irq_level(piix, pirq, pci_bus_get_irq_level(bus, pirq));
     }
 }
 
-static void piix3_write_config(PCIDevice *dev,
-                               uint32_t address, uint32_t val, int len)
+static void piix_write_config(PCIDevice *dev, uint32_t address, uint32_t val,
+                              int len)
 {
     pci_default_write_config(dev, address, val, len);
     if (ranges_overlap(address, len, PIIX_PIRQCA, 4)) {
-        PIIXState *piix3 = PIIX_PCI_DEVICE(dev);
+        PIIXState *piix = PIIX_PCI_DEVICE(dev);
         int pic_irq;
 
-        pci_bus_fire_intx_routing_notifier(pci_get_bus(&piix3->dev));
-        piix3_update_irq_levels(piix3);
+        pci_bus_fire_intx_routing_notifier(pci_get_bus(&piix->dev));
+        piix_update_irq_levels(piix);
         for (pic_irq = 0; pic_irq < ISA_NUM_IRQS; pic_irq++) {
-            piix3_set_irq_pic(piix3, pic_irq);
+            piix_set_irq_pic(piix, pic_irq);
         }
     }
 }
@@ -165,7 +165,7 @@  static void piix3_write_config_xen(PCIDevice *dev,
         }
     }
 
-    piix3_write_config(dev, address, val, len);
+    piix_write_config(dev, address, val, len);
 }
 
 static void piix_reset(DeviceState *dev)
@@ -225,7 +225,7 @@  static int piix3_post_load(void *opaque, int version_id)
      */
     piix3->pic_levels = 0;
     for (pirq = 0; pirq < PIIX_NUM_PIRQS; pirq++) {
-        piix3_set_irq_level_internal(piix3, pirq,
+        piix_set_irq_level_internal(piix3, pirq,
             pci_bus_get_irq_level(pci_get_bus(&piix3->dev), pirq));
     }
     return 0;
@@ -482,7 +482,7 @@  static void piix3_realize(PCIDevice *dev, Error **errp)
         return;
     }
 
-    pci_bus_irqs(pci_bus, piix3_set_irq, piix3, PIIX_NUM_PIRQS);
+    pci_bus_irqs(pci_bus, piix_set_irq, piix3, PIIX_NUM_PIRQS);
     pci_bus_set_route_irq_fn(pci_bus, piix3_route_intx_pin_to_irq);
 }
 
@@ -490,7 +490,7 @@  static void piix3_class_init(ObjectClass *klass, void *data)
 {
     PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
 
-    k->config_write = piix3_write_config;
+    k->config_write = piix_write_config;
     k->realize = piix3_realize;
 }